a001. 哈囉 -- Brian Kernighan | From: [203.72.178.252] | 發表日期 : 2018-07-10 14:15

#include <iostream>
using namespace std;
int main(int argc, char** argv) {
	string s;
	while(cin >> s)
	{
	    cout << "hello, " << s << endl;
	}
	return 0;
}