#include <bits/stdc++.h>
using namespace std;

int main(){
  int S, T;
  char c;
  cin >> S >> T >> c;
  if(c == '<'){
  	if(S < T){
  	  cout << "Yes" << endl;
  	}else{
  	  cout << "No" << endl;
  	}
  }else if(c == '='){
  	if(S == T){
  	  cout << "Yes" << endl;
  	}else{
  	  cout << "No" << endl;
  	}
  }else{
  	if(S > T){
  	  cout << "Yes" << endl;
  	}else{
  	  cout << "No" << endl;
  	}
  }
  return 0;
}