public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int k = sc . nextInt ( ) ;
  char [ ] arr = new char [ k ] ;
  char [ ] color = new char [ ] {
    'R' , 'O' , 'Y' , 'G' , 'B' , 'I' , 'V' };
    if ( k % 7 >= 4 || k % 7 == 0 ) {
      int i = 0 , tt = 0 ;
      while ( i < k ) {
        arr [ i ] = color [ tt ] ;
        if ( tt < 6 ) tt ++ ;
        else if ( tt == 6 ) {
          tt = 0 ;
        }
        i ++ ;
      }
    }
    else if ( k % 7 < 4 ) {
      int i = 0 , j = 0 , l = k % 7 , tt = 0 ;
      for ( i = 4 ;
      i < 4 + l ;
      i ++ ) {
        arr [ i ] = color [ j ] ;
        j ++ ;
      }
      i = 0 ;
      while ( i < k ) {
        if ( arr [ i ] == '\0' ) {
          arr [ i ] = color [ tt ] ;
          if ( tt < 6 ) tt ++ ;
          else if ( tt == 6 ) tt = 0 ;
        }
        i ++ ;
      }
    }
    for ( int i = 0 ;
    i < k ;
    i ++ ) {
      System . out . print ( arr [ i ] ) ;
    }
    System . out . println ( ) ;
  }
  
public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int k = sc . nextInt ( ) ; char [ ] arr = new char [ k ] ; char [ ] color = new char [ ] { ' R ' , ' O ' , ' Y ' , ' G ' , ' B ' , ' I ' , ' V ' } ; if ( k % 7 >= 4 || k % 7 == 0 ) { int i = 0 , tt = 0 ; while ( i < k ) { arr [ i ] = color [ tt ] ; if ( tt < 6 ) tt ++ ; else if ( tt == 6 ) { tt = 0 ; } i ++ ; } } else if ( k % 7 < 4 ) { int i = 0 , j = 0 , l = k % 7 , tt = 0 ; for ( i = 4 ; i < 4 + l ; i ++ ) { arr [ i ] = color [ j ] ; j ++ ; } i = 0 ; while ( i < k ) { if ( arr [ i ] == ' \0' ) { arr [ i ] = color [ tt ] ; if ( tt < 6 ) tt ++ ; else if ( tt == 6 ) tt = 0 ; } i ++ ; } } for ( int i = 0 ; i < k ; i ++ ) { System . out . print ( arr [ i ] ) ; } 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: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (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) value: (array_initializer (character_literal) (character_literal) (character_literal) (character_literal) (character_literal) (character_literal) (character_literal))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)) right: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)))) consequence: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (update_expression (identifier))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal)))))) (expression_statement (update_expression (identifier)))))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal))) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (binary_expression left: (decimal_integer_literal) right: (identifier))) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) (expression_statement (update_expression (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (update_expression (identifier))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))))))) (expression_statement (update_expression (identifier)))))))) (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 (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list)))))