#include<bits/stdc++.h>
using namespace std;



int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    string s;
    cin >> s;
    vector<string> ss = {
        "kadomatsu",
        "adomatsu",
        "kdomatsu",
        "kaomatsu",
        "kadmatsu",
        "kadoatsu",
        "kadomtsu",
        "kadomasu",
        "kadomatu",
        "kadomats",
    };
    for (auto x:ss) {
        if (x == s) {
            cout << "Yes\n";
            return 0;
        }
    }
    cout << "No\n";
}