#include <bits/stdc++.h>

using namespace std;

typedef long long LL;
LL qmi(LL a, LL k, LL p) {
    LL res = 1;
    while (k) {
        if (k & 1) res = res * a % p;
        k >>= 1;
        a = a * a % p;
    }
    return res;
}

int main() {
    int a, p;
    cin >> a >> p;
    LL x = qmi(a, p - 2, p); // x为a在mod p意义下的逆元
    return 0;
}