public static void B ( ) {
  Scanner sc = new Scanner ( System . in ) ;
  int X = sc . nextInt ( ) ;
  int Y = sc . nextInt ( ) ;
  int Z = sc . nextInt ( ) ;
  if ( X < Y || X < Z ) {
    System . out . println ( 0 ) ;
    return ;
  }
  X -= Z ;
  System . out . println ( X / ( Y + Z ) ) ;
}

public static void B ( ) { Scanner sc = new Scanner ( System . in ) ; int X = sc . nextInt ( ) ; int Y = sc . nextInt ( ) ; int Z = sc . nextInt ( ) ; if ( X < Y || X < Z ) { System . out . println ( 0 ) ; return ; } X -= Z ; System . out . println ( X / ( Y + Z ) ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (identifier)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (decimal_integer_literal)))) (return_statement))) (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (identifier)))))))))