#include<bits/stdc++.h>
using namespace std;
int a,b,c;
int main(){
	cin>>a>>b>>c;
	if(a*a+b*b<c*c)cout<<"Yes";else cout<<"No";
}
#include<bits/stdc++.h>
#define INF 2000000000
#define MOD 1000000007
#define EPS (1e-10)

using namespace std;

int main(int argc, char *argv[]) {
	int N,S,D; cin >> N >> S >> D;

	vector<int> X(N,0);
	vector<int> Y(N,0);

	for (int i = 0; i < N; i++) {
		cin >> X[i] >> Y[i];
		if (!(X[i] >= S or Y[i] <= D)) {
			cout << "Yes" << endl;	
			return 0;
		}
	}
	cout << "No" << endl;

	return 0;
}
