#include <iostream>
#include <cstdlib>
using namespace std;
int main()
{
int a, b, i, c = 0, e;
cin >> a >> b;
e = b;
if (b < 0)
e = -b;
for (i = 1; i <= e; ++i)
c = c + a;
if (b < 0)
c = -c;
cout << c;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8Y3N0ZGxpYj4KdXNpbmcgbmFtZXNwYWNlIHN0ZDsKaW50IG1haW4oKQp7CglpbnQgYSwgYiwgaSwgYyA9IDAsIGU7CgljaW4gPj4gYSA+PiBiOwoJCgllID0gYjsKCQlpZiAoYiA8IDApCgkJZSA9IC1iOwoJZm9yIChpID0gMTsgaSA8PSBlOyArK2kpCgkJYyA9IGMgKyBhOwoJaWYgKGIgPCAwKQoJCWMgPSAtYzsKCWNvdXQgPDwgYzsKCXJldHVybiAwOwp9