#include "bits/stdc++.h"
using namespace std;
#define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i))
#define rep(i,j) FOR(i,0,j)
#define each(x,y) for(auto &(x):(y))
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define debug(x) cout<<#x<<": "<<(x)<<endl
#define smax(x,y) (x)=max((x),(y))
#define smin(x,y) (x)=min((x),(y))
#define MEM(x,y) memset((x),(y),sizeof (x))
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<ll> vll;

int L, D, dp[600];

int f(int l){
    int &r = dp[l];
    if(r != -1)return r;
    set<int> st;
    FOR(a, 1, l)FOR(b, a + 1, l-a){
        int c = l - a - b;
        if(c > 0 && a != b&&b != c&&c != a && max({a,b,c}) - min({a,b,c}) <= D)
            st.insert(f(a) ^ f(b) ^ f(c));
    }
    r = 0;
    while(st.count(r))r++;
    return r;
}

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    while(cin >> L >> D){
        MEM(dp, -1);
        dp[0] = 0;
        cout << (f(L) ? "kado" : "matsu") << endl;
    }
}