#include <bits/stdc++.h>
using namespace std;
typedef long long int64;

int windp[501], losedp[501];
int L, D;

int Winrec(int val)
{
  if(val <= 5) return(false);
  if(~windp[val]) return(windp[val]);
  for(int i = 1; i <= val; i++) {
    for(int j = i + 1; i + j + j + 1 <= val; j++) {
      int k = val - i - j;
      if(k - i > D) continue;

      int proc = Winrec(i) + Winrec(j) + Winrec(k);
      if(proc == 0) {
        return(windp[val] = true);
      } else if(proc == 1) {
      } else if(proc == 2) {
        return(windp[val] = true);
      }
    }
  }
  return(windp[val] = false);
}

int main()
{
  memset(windp, -1, sizeof(windp));
  memset(losedp, -1, sizeof(losedp));

  cin >> L >> D;
  if(Winrec(L)) cout << "kado" << endl;
  else cout << "matsu" << endl;
}