#define _USE_MATH_DEFINES

#include <iostream>	//cin, cout
#include <vector>	//vector
#include <algorithm> //sort,min,max,count
#include <string>	//string,getline, to_string
#include <ios>		//fixed
#include <iomanip>	//setprecision
#include <utility> //swap, pair
#include <cstdlib>	//abs(int)
#include <cmath>	//sqrt,ceil,M_PI, pow, sin
#include <sstream>	//stringstream, getline
#include <numeric>	//gcd, accumlate
#include <deque>	//deque
#include <random>	//randam_device
#include <limits>	//numeric_limits

using namespace std;
constexpr long long int D_MOD = 1000000007;

int main() {

	string S;
	cin >> S;

	if (S.length() < 8) {
		cout << "No" << endl;
		return 0;
	}

	if (S.find("kadomatsu") != string::npos) {
		cout << "Yes" << endl;
		return 0;
	}

	string target = "kadomatsu";
	string temp = S;

	for (unsigned int i = 0; i < target.length(); i++) {
		for (unsigned int j = 0; j <= temp.length(); j++) {
			temp.insert(temp.begin() + j, target[i]);
			if (temp.find(target) != string::npos) {
				cout << "Yes" << endl;
				return 0;
			}
			temp = S;
		}
	}

	cout << "No" << endl;

	return 0;

}