#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef long double ld;

int main()
{
    ll a, b, c, d;
    cin >> a >> b >> c >> d;
    vector <ll> a1, d1;
    for (int i = 2; i < a; i++){
        if (a % i == 0){
            a1.push_back(i);
            a1.push_back(-i);
        }
    }
    for (int i = 2; i < d; i++){
        if (d % i == 0){
            d1.push_back(i);
            d1.push_back(-i);
        }
    }
    ld temp, eps = 1e-7;
    for (int i = 0; i < a1.size(); i++)
        for (int j = 0; j < d1.size(); j++){
            temp = i * 1.0 / j;
            if (fabs(((a * temp + b) * temp + c) * temp + d) < eps){
                cout << "Yes" << endl;
                return 0;
            }
        }
    cout << "No" << endl;
    return 0;
}