[UVa]10300-Ecological Premium

#include<iostream>using namespace std;int main(int argc, char** argv){    int m;    cin >> m;    int n;    while(cin >> n)    {        if(n == 0)            break;        int size, num, ef;        int sum = 0;        for(int i = 0; i < n; i++)        {            cin >> size >> num >> ef;            sum += size * ef;        }        cout << sum << endl;    }    return 0;}