a001. 哈囉 -- Brian Kernighan | From: [163.32.92.91] | 發表日期 : 2023-05-03 08:48

#include <bits/stdc++.h>
using namespace std;

int main()
{
    char name[55];

    cin >> name;
    cout << "hello, " << name << endl;

    return 0;
}