package main

import . "fmt"
import . "slices"

func main() {
	var s string
	Scan(&s)
	b:=[]byte(s)
	c:=[]byte("kyoprotenkei90")
	Sort(b)
	Sort(c)
	if Equal(b,c) {
		Println("Yes")
	} else {
		Println("No")
	}
}