public static void main ( String [ ] args ) {
  Scanner input = new Scanner ( System . in ) ;
  int x = input . nextInt ( ) ;
  int y = input . nextInt ( ) ;
  int z = input . nextInt ( ) ;
  int a = x - y ;
  if ( a + z < 0 ) {
    System . out . println ( "-" ) ;
  }
  if ( a == 0 && z == 0 ) {
    System . out . println ( "0" ) ;
  }
  if ( a == 0 && z > 0 ) {
    System . out . println ( "?" ) ;
  }
  if ( a != 0 && a > 0 ) {
    if ( a > z ) {
      System . out . println ( "+" ) ;
    }
    if ( a < z || a == z ) {
      System . out . println ( "?" ) ;
    }
    if ( a < 0 && a + z == 0 ) {
      System . out . println ( "?" ) ;
    }
    if ( a < 0 && a + z > 0 ) {
      System . out . println ( "?" ) ;
    }
  }
  if ( a < 0 ) {
    if ( a + z == 0 ) {
      System . out . println ( "?" ) ;
    }
    if ( ( a + z ) > 0 ) {
      System . out . println ( "?" ) ;
    }
  }
  if ( a == 0 && z < 0 ) {
    System . out . println ( "?" ) ;
  }
}

public static void main ( String [ ] args ) { Scanner input = new Scanner ( System . in ) ; int x = input . nextInt ( ) ; int y = input . nextInt ( ) ; int z = input . nextInt ( ) ; int a = x - y ; if ( a + z < 0 ) { System . out . println ( " - " ) ; } if ( a == 0 && z == 0 ) { System . out . println ( "0" ) ; } if ( a == 0 && z > 0 ) { System . out . println ( " ? " ) ; } if ( a != 0 && a > 0 ) { if ( a > z ) { System . out . println ( " + " ) ; } if ( a < z || a == z ) { System . out . println ( " ? " ) ; } if ( a < 0 && a + z == 0 ) { System . out . println ( " ? " ) ; } if ( a < 0 && a + z > 0 ) { System . out . println ( " ? " ) ; } } if ( a < 0 ) { if ( a + z == 0 ) { System . out . println ( " ? " ) ; } if ( ( a + z ) > 0 ) { System . out . println ( " ? " ) ; } } if ( a == 0 && z < 0 ) { System . out . println ( " ? " ) ; } }
(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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))) (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 (string_literal)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))))