public static void main ( String [ ] args ) {
  Scanner scn = new Scanner ( System . in ) ;
  int A = scn . nextInt ( ) ;
  int B = scn . nextInt ( ) ;
  int ans = 0 ;
  int DT = Math . abs ( A - B ) ;
  ans += DT / 10 ;
  DT %= 10 ;
  if ( DT < 4 ) {
    ans += DT ;
  }
  else if ( DT > 7 ) {
    ans ++ ;
    ans += 10 - DT ;
  }
  else {
    ans ++ ;
    ans += Math . abs ( DT - 5 ) ;
  }
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner scn = new Scanner ( System . in ) ; int A = scn . nextInt ( ) ; int B = scn . nextInt ( ) ; int ans = 0 ; int DT = Math . abs ( A - B ) ; ans += DT / 10 ; DT %= 10 ; if ( DT < 4 ) { ans += DT ; } else if ( DT > 7 ) { ans ++ ; ans += 10 - DT ; } else { ans ++ ; ans += Math . abs ( DT - 5 ) ; } System . out . println ( ans ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) 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: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (identifier)))))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (identifier)))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (update_expression (identifier))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (decimal_integer_literal) right: (identifier))))) alternative: (block (expression_statement (update_expression (identifier))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal))))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))