#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <iostream>
#include <string>
#include <set>
#include <map>
#include <vector>
#include <queue>
#define ll long long
#define db double
using namespace std;
ll tt,a,p,q;
void solve() {
	scanf("%lld%lld%lld",&a,&p,&q);
	if (p == q) {
		printf("No\n");
	} else {
		printf("Yes\n");
	}
}
int main() {
	tt = 1;
	while(tt) {
		solve();
		tt--;
	}
	return 0;
}