#include constexpr int INF = 2147483647; constexpr long long int INF_LL = 9223372036854775807; constexpr int MOD = 1000000007; using namespace std; typedef long long int ll; typedef unsigned long long int ull; random_device a; int main(int argc, char* argv[]) { int b = a(); if (b % 5 < 3)cout << "Yes" << endl; else cout << "No" << endl; return 0; }