#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; }