#include<bits/stdc++.h>
using namespace std;
using Int = long long;
template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}


//INSERT ABOVE HERE
Int dp[555];
Int dfs(Int x,Int d){
  Int &res=dp[x];
  if(~res) return res;
  res=0;
  set<Int> ss;
  for(Int a=1;a<x;a++){
    for(Int b=1;b<a&&a+b<x;b++){
      Int c=x-(a+b);
      if(a==c||b==c) continue;
      if(max({a,b,c})-min({a,b,c})>d) continue;
      ss.emplace(dfs(a,d)^dfs(b,d)^dfs(c,d));
    }
  }
  while(ss.count(res)) res++;
  return res;
}

signed main(){
  Int l,d;
  cin>>l>>d;
  memset(dp,-1,sizeof(dp));
  cout<<(dfs(l,d)?"kado":"matsu")<<endl;
  return 0;
}