#include<iostream>
using namespace std;
int main()
{
	int m,n,sum;
	cout <<"put two num" <<endl;                   //输出流
	cin >>m >>n;                                 //输入流
	sum=m+n;
	cout <<"hello wordl" <<endl <<m <<endl <<n <<endl <<sum;  //输出流
    return 0; 
}
