#include<bits/stdc++.h>
using namespace std;
long long n, i, s;
bool f;
int main() {
cin >> n >> i;
for (long long k = 1; 1; k++) {
f = true;
s = k * n + i;
for (long long j = 1; j <= n – 1; j++) {
if (s % (n – 1) != 0) {
f = false;
break;
}
s = s * n / (n – 1) + i;
}
if (f == true) break;
}
cout << s << endl;
return 0;
}
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