#include <cstdio> #include <iostream> #include <fstream> #include <vector> #include <list> #include <map> #include <set> #include <queue> #include <stack> #include <bitset> #include <algorithm> #include <sstream> #include <iomanip> #include <cmath> #include <cstdlib> #include <cctype> #include <cstring> #include <string> #include <ctime> #include <cassert> #include <utility> using namespace std; string S; int main() { // freopen("date.in", "r", stdin); // freopen("date.out","w", stdout); cin >> S; if(S.find("Yardi") != string::npos) cout << "YES\n"; else cout << "NO\n"; return 0; }