#include using namespace std; typedef long long ll; const long long INF = 1LL<<60; ll GCD(ll x,ll y){ if(y == 0) return x; else return GCD(y,x%y); } ll LCM(ll a,ll b){ return a / GCD(a,b) * b; } const int MOD = 1000000007; //void warshall_floyd(int n){ // for(int k=0;k> a >> b >> c >> d; if(a < b && c > d){ cout << "YES" << endl; }else{ cout << "NO" << endl; } }