/* -*- coding: utf-8 -*-
 *
 * 1592.cc:  No.1592 Tenkei 90 - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int MAX_L = 14;
const char t[] = "kyoprotenkei90";

/* typedef */

typedef vector<int> vi;

/* global variables */

char s[MAX_L + 4];

/* subroutines */

void s2v(const char s[], vi &v) {
  v.assign(36, 0);
  for (int i = 0; s[i]; i++) {
    int d =
      (s[i] >= '0' && s[i] <= '9') ? s[i] - '0' : s[i] - 'a' + 10;
    v[d]++;
  }
}

/* main */

int main() {
  scanf("%s", s);

  vi sv, tv;
  s2v(s, sv);
  s2v(t, tv);

  if (sv == tv) puts("Yes");
  else puts("No");
  return 0;
}