#include <cstdio>

int k, n;
long long ans;

long long kasumi(long long x, long long y) {
    long long ans = 1;
    while (y) {
        if (y & 1) ans *= x;
        y >>= 1;
        x *= x; 
    }
    return ans;
}

int main() {
    freopen("sequenc.in", "r", stdin);
    freopen("sequenc.out", "w", stdout);
    scanf("%d %d", &k, &n);
    for (int i = 0; i <= 10; ++i) {
        if (n & (1 << i)) {
            ans += kasumi(k, i);
        }
    }
    printf("%lld\n", ans);
    return 0;
}