//100分

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b;
	cin>>a>>b;
	if(a<=b){
		cout<<"YE5";
	}
	else cout<<"N0";
	return 0;
} 

//0分！！！ #include<bits/stdc++.h> using namespace std; int main(){ int a,b; cin>>a>>b; if(a<=b){ cout<<"YES"; } else cout<<"NO"; return 0; }