/* -*- coding: utf-8 -*-
 *
 * 361.cc: No.361 門松ゲーム2 - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int MAX_L = 500;

/* typedef */

/* global variables */

int grndys[MAX_L + 1];
bool used[MAX_L + 1];

/* subroutines */

/* main */

int main() {
  int l, d;
  cin >> l >> d;
  
  for (int k = 6; k <= l; k++) {
    memset(used, false, sizeof(used));
    int maxl1 = k / 3;
    for (int l1 = 1; l1 < maxl1; l1++) {
      int maxl2 = (k + 1 - l1) / 2;
      for (int l2 = l1 + 1; l2 < maxl2; l2++) {
	int l3 = k - (l1 + l2);
	if (l3 <= l1 + d) 
	  used[grndys[l1] ^ grndys[l2] ^ grndys[l3]] = true;
      }
    }

    int g = 0;
    while (used[g]) g++;
    grndys[k] = g;
  }
  //printf("%d\n", grndys[l]);

  cout << (grndys[l] != 0 ? "kado" : "matsu") << endl;
  return 0;
}