/*
 * @Description:
 * @Version: 1.0
 * @Autor: wxchen
 * @Date: 2022-11-21 15:27:10
 * @LastEditTime: 2022-11-21 21:08:42
 */
#include <iostream>

int main() {
    std::cout << "hello" << std::endl;
    return 0;
}