public static void main ( String [ ] args ) throws Exception {
  BufferedReader br = new BufferedReader ( new InputStreamReader ( System . in ) ) ;
  int W = Integer . parseInt ( br . readLine ( ) ) ;
  String [ ] nk = br . readLine ( ) . split ( " " ) ;
  int n = Integer . parseInt ( nk [ 0 ] ) ;
  int k = Integer . parseInt ( nk [ 1 ] ) ;
  int [ ] w = new int [ n + 1 ] ;
  int [ ] v = new int [ n + 1 ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    String [ ] line = br . readLine ( ) . split ( " " ) ;
    w [ i + 1 ] = Integer . parseInt ( line [ 0 ] ) ;
    v [ i + 1 ] = Integer . parseInt ( line [ 1 ] ) ;
  }
  int [ ] [ ] [ ] dp = new int [ n + 1 ] [ W + 1 ] [ k + 1 ] ;
  dp [ 0 ] [ 0 ] [ 0 ] = 0 ;
  for ( int i = 1 ;
  i <= n ;
  i ++ ) {
    for ( int j = 1 ;
    j <= W ;
    j ++ ) {
      for ( int l = 1 ;
      l <= k ;
      l ++ ) {
        if ( j - w [ i ] >= 0 ) dp [ i ] [ j ] [ l ] = Math . max ( dp [ i - 1 ] [ j - w [ i ] ] [ l - 1 ] + v [ i ] , dp [ i - 1 ] [ j ] [ l ] ) ;
        else dp [ i ] [ j ] [ l ] = dp [ i - 1 ] [ j ] [ l ] ;
      }
    }
  }
  System . out . println ( dp [ n ] [ W ] [ k ] ) ;
}

public static void main ( String [ ] args ) throws Exception { BufferedReader br = new BufferedReader ( new InputStreamReader ( System . in ) ) ; int W = Integer . parseInt ( br . readLine ( ) ) ; String [ ] nk = br . readLine ( ) . split ( " ▁ " ) ; int n = Integer . parseInt ( nk [ 0 ] ) ; int k = Integer . parseInt ( nk [ 1 ] ) ; int [ ] w = new int [ n + 1 ] ; int [ ] v = new int [ n + 1 ] ; for ( int i = 0 ; i < n ; i ++ ) { String [ ] line = br . readLine ( ) . split ( " ▁ " ) ; w [ i + 1 ] = Integer . parseInt ( line [ 0 ] ) ; v [ i + 1 ] = Integer . parseInt ( line [ 1 ] ) ; } int [ ] [ ] [ ] dp = new int [ n + 1 ] [ W + 1 ] [ k + 1 ] ; dp [ 0 ] [ 0 ] [ 0 ] = 0 ; for ( int i = 1 ; i <= n ; i ++ ) { for ( int j = 1 ; j <= W ; j ++ ) { for ( int l = 1 ; l <= k ; l ++ ) { if ( j - w [ i ] >= 0 ) dp [ i ] [ j ] [ l ] = Math . max ( dp [ i - 1 ] [ j - w [ i ] ] [ l - 1 ] + v [ i ] , dp [ i - 1 ] [ j ] [ l ] ) ; else dp [ i ] [ j ] [ l ] = dp [ i - 1 ] [ j ] [ l ] ; } } } System . out . println ( dp [ n ] [ W ] [ k ] ) ; }
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name: (identifier) value: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list (string_literal))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (decimal_integer_literal)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (decimal_integer_literal)))))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (array_type element: (type_identifier) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list (string_literal))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (decimal_integer_literal)))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (decimal_integer_literal)))))))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal))) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal))) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (expression_statement (assignment_expression left: (array_access array: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (decimal_integer_literal)) index: (decimal_integer_literal)) right: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (array_access array: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (array_access array: (array_access array: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) index: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (array_access array: (identifier) index: (identifier))) (array_access array: (array_access array: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) index: (identifier)) index: (identifier)))))) alternative: (expression_statement (assignment_expression left: (array_access array: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) index: (identifier)) right: (array_access array: (array_access array: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) index: (identifier)) index: (identifier))))))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (array_access array: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) index: (identifier)))))))