#include <bits/stdc++.h>
using namespace std;
using vi = vector<int>;
typedef long long int ll;
typedef long double ld;
#define fo(i,a,b) for(int i=a;i<b;i++)
#define pb push_back


int main() {
    // your code goes here
#ifndef ONLINE_JUDGE

    freopen("input.txt", "r", stdin);

    freopen("output.txt", "w", stdout);

#endif
    ll a, b;
    cin >> a >> b;
    if (pow(a, b) == pow(b, a))
        cout << "Yes";
    else
        cout << "No";
}