public static void solve ( ) {
  int n = scan . nextInt ( ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    System . out . print ( c [ i % 4 ] ) ;
  }
}

public static void solve ( ) { int n = scan . nextInt ( ) ; for ( int i = 0 ; i < n ; i ++ ) { System . out . print ( c [ i % 4 ] ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (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: (binary_expression left: (identifier) right: (decimal_integer_literal))))))))))