#include <bits/stdc++.h>

using namespace std;

namespace {

    typedef double real;
    typedef long long ll;

    template<class T> ostream& operator<<(ostream& os, const vector<T>& vs) {
        if (vs.empty()) return os << "[]";
        auto i = vs.begin();
        os << "[" << *i;
        for (++i; i != vs.end(); ++i) os << " " << *i;
        return os << "]";
    }
    template<class T> istream& operator>>(istream& is, vector<T>& vs) {
        for (auto it = vs.begin(); it != vs.end(); it++) is >> *it;
        return is;
    }

    int L, D;
    void input() {
        cin >> L >> D;
    }

    const int INF = 1<<28;

    void solve() {
        vector<int> gr(L + 1, INF);
        gr[0] = 0;
        for (int x = 1; x <= L; x++) {
            vector<bool> pos(x, false);
            for (int a = 1; a <= x; a++) {
                for (int b = a + 1; a + b <= x; b++) {
                    int c = x - a - b;
                    if (not (a < b and b < c)) continue;
                    if (c - a > D) continue;
                    pos[ gr[a] ^ gr[b] ^ gr[c] ] = true;
                }
            }
            for (int i = 0; i <= x; i++) {
                if (not pos[i]) {
                    gr[x] = i;
                    break;
                }
            }
        }
        cout << (gr[L] ? "kado" : "matsu") << endl;
    }
}

int main() {
    input(); solve();
    return 0;
}