#include <bits/stdc++.h>
using namespace std;

int main() {
	string A, B;
    cin >> A >> B;
    if(A.substr(A.size() - 4) != "0000") {
        cout << "No\n";
        return 0;
    }

    if(B.substr(B.size() - 4) == "0000") {
        cout << "Yes\n";
        return 0;
    }

    int integer = stoi(A.substr(0, A.size() - 5));
    int decimal = stoi(B.substr(B.size() - 4));

    for(long long i = 0; i <= 10000; i++) {
        if(i * decimal == 10000) {
            // A = j ^ iならよい
            for(long long j = 0; j <= integer; j++) {
                if(integer == pow(j, i)) {
                    cout << "Yes\n";
                    return 0;
                }
            }
        }
    }

    cout << "No\n";

    return 0;
}