#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for(int i=0;i<(n);i++)
#define Inf 1000000001

int main(){
	
	long long n,s;
	cin>>n>>s;
	
	if(25<=s && 29*n>=s)cout<<"Yes"<<endl;
	else cout<<"No"<<endl;
	
	return 0;
}