#include <bits/stdc++.h>
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define trav(a, x) for(auto& a : x)
#define all(x) x.begin(), x.end()
#define endl "\n"
#define sz(x) (int)(x).size()
#define _USE_MATH_DEFINES
using namespace std;
typedef long long int lli;
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    int a, b, c, d;
    cin >> a >> b >> c >> d;
    if (a > c)
      cout << "Yes";
    if (a <= c)
      cout << "No";
    return 0;
}
