描述

Calculate a + b.

输入

The input will consist of a series of pairs of integers a and b,separated by a space, one pair of integers per line. A line containing 0 0 terminates the input and this line is not to be processed.

输出

For each pair of input integers a and b you should output the sum of a and b in one line,and with one line of output for each line in input.

样例输入

1 5
3 3
0 0

样例输出

6
6

题目来源

HDUOJ

#include<iostream>#include<vector>using namespace std;int main(){    int i,a,b;    vector<int> ivec;    while(cin>>a>>b)    {        if(a==0&&b==0)            break;        ivec.push_back(a+b);    }    for(i=0;i<ivec.size();i++)        cout<<ivec[i]<<endl;    return 0;}