杭电 hdu 1092

A+B for Input-Output Practice (IV)：

#include<iostream>
using namespace std;
int main(){
    int n;
    while(cin>>n&&n){
        int i;
        int sum=0;
        int m;
        for(i=1;i<=n;++i){
            cin>>m;
            sum+=m;
        }
        cout<<sum<<endl;
    }
    return 0;
}