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

int main(){
	int N, A, H, M, S;
	cin >> N >> A >> H >> M >> S;
	H += N * A / 3600;
	M += (N * A % 3600) / 60;
	S += N * A % 60;
	if (H * 3600 + M * 60 + S >= 86400) cout << "Yes" << endl;
	else cout << "No" << endl;
}