#include<iostream>
#include<set>
using namespace std;
int gr[501];
int D,L;
main()
{
	cin>>L>>D;
	for(int i=1;i<=L;i++)
	{
		set<int>S;
		for(int l1=1;l1*3<i;l1++)for(int l2=l1+1;l1+l2+l2<i;l2++)
		{
			int l3=i-l1-l2;
			if(l3-l1<=D)
			{
				S.insert(gr[l1]^gr[l2]^gr[l3]);
			}
		}
		while(S.find(gr[i])!=S.end())gr[i]++;
	}
	cout<<(gr[L]?"kado":"matsu")<<endl;
}