#include <bits/stdc++.h>
using namespace std;
int main() {
int n;
long r;
while ((cin >> n >> r) && (n&&r)!=0){
cout<<n*r<<endl;
}
return 0;
}
using namespace std;
int main() {
int n;
long r;
while ((cin >> n >> r) && (n&&r)!=0){
cout<<n*r<<endl;
}
return 0;
}
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