#include using namespace std; #define rep(i, n, o) for(int i = o;i < (n);i++) #define ou(x) cout << x << endl #define ll long long #define re return 0 signed main(){ string s; cin >> s; if(s[0] == '4' || s[0] == '5'){ ou("No"); } else{ ou("Yes"); } re; }