#include "iostream" #include "climits" #include "list" #include "queue" #include "stack" #include "set" #include "functional" #include "algorithm" #include "string" #include "map" #include "unordered_map" #include "unordered_set" #include "iomanip" #include "cmath" #include "random" #include "bitset" #include "cstdio" #include "numeric" #include "cassert" #include "ctime" using namespace std; constexpr long long int MOD = 1000000007; //constexpr int MOD = 1000000007; //constexpr int MOD = 998244353; //constexpr long long int MOD = 998244353; constexpr double EPS = 1e-8; //int N, M, K, T, H, W, L, R; long long int N, M, K, T, H, W, L, R; int main() { ios::sync_with_stdio(false); cin.tie(0); string s; string t = "kyoprotenkei90"; cin >> s; sort(s.begin(), s.end()); sort(t.begin(), t.end()); if (s == t) { cout << "Yes\n"; } else { cout << "No\n"; } }