#include <iostream>
using namespace std;
int main() {
int b, c;
cin >> b >> c;
while (c) {
cout << b / (c - b) + 1 << endl;
cin >> b >> c;
}
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgoKdXNpbmcgbmFtZXNwYWNlIHN0ZDsKCmludCBtYWluKCkgewoJaW50IGIsIGM7CgljaW4gPj4gYiA+PiBjOwoJd2hpbGUgKGMpIHsKCQljb3V0IDw8IGIgLyAoYyAtIGIpICsgMSA8PCBlbmRsOwoJCWNpbiA+PiBiID4+IGM7Cgl9CglyZXR1cm4gMDsKfQ==