#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
//#include<cctype>
#include<climits>
#include<iostream>
#include<string>
#include<vector>
#include<map>
//#include<list>
#include<queue>
#include<deque>
#include<algorithm>
//#include<numeric>
#include<utility>
#include<complex>
//#include<memory>
#include<functional>
#include<cassert>
#include<set>
#include<stack>
#include<random>

const int dx[] = {1, 0, -1, 0};
const int dy[] = {0, 1, 0, -1};
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int, int> pii;

const int MAXL = 555;
int g[MAXL], D;

int grundy(int L) {
    int& ret = g[L];
    if (ret >= 0) return ret;
    set<int> S;
    for (int l1 = 1; l1 < L/3; l1++) for (int l2 = l1+1; l2+l1 < L; l2++) {
        int l3 = L-l1-l2;
        if (l3 <= l2) break;
        if (l3-l1 > D) continue;
        int g1 = grundy(l1), g2 = grundy(l2), g3 = grundy(l3);
        S.insert(g1^g2^g3);
    }
    ret = 0;
    while (1) {
        if (S.find(ret) == S.end()) return ret;
        ret++;
    }
}

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int L;
    cin >> L >> D;
    memset(g, -1, sizeof(g));
    if (grundy(L) == 0) cout << "matsu" << endl;
    else cout << "kado" << endl;
    return 0;
}