#include <iostream>
#include <vector>
#include <cstdio>
#include <sstream>
#include <map>
#include <string>
#include <algorithm>
#include <queue>
#include <cmath>
#include <functional>
#include <set>
#include <ctime>
#include <random>
#include <chrono>
using namespace std;

template<class T> istream& operator >> (istream& is, vector<T>& vec){for(T& val: vec) is >> val; return is;}
template<class T> istream& operator ,  (istream& is, T& val){ return is >> val;}
template<class T> ostream& operator << (ostream& os, const vector<T>& vec){for(int i=0; i<vec.size(); i++) os << vec[i] << (i==vec.size()-1?"":" "); return os;}
template<class T> ostream& operator ,  (ostream& os, const T& val){ return os << " " << val;}
template<class T> ostream& operator >> (ostream& os, const T& val){ return os << " " << val;}

int main(){
	int l,d;
	cin >> l,d;

	vector<int> memo(l+1, -1);
	function<int(int)> grundy = [&](int L){
		if(memo[L] != -1) return memo[L];
		set<int> s;
		for(int a=1; a<L; a++){
			for(int b=a+1; b<L; b++){
				int c = L-(a+b);
				if(c <= b) continue;
				if(c-a <= d) s.insert( grundy(a) ^ grundy(b) ^ grundy(c) );
			}
		}
		int g = 0;
		while(s.count(g)) g++;
		return memo[L] = g;
	};

	cout << (grundy(l)==0?"matsu" : "kado" ) << endl;
	return 0;
}