#include <iostream>
using namespace std;
int main() {
int N;
cin>> N;
cout<<"Hello,"<<"N"<<endl;
return 0;
}
#include <string>
using namespace std;
int main()
{
int N;
string N;
//int 是整數,應該使用string格式才正確
cin >> N;
// "N" 輸出就會是N, 應該是直接N才對
cout << "Hello,"<< "N" << endl;
//你的hello, 後面要有一個空格
//你的h應該要小寫
cout << "hello, " << N << endl;
return 0;
}