import java.io.*;
import java.util.*;


public class Main_yukicoder361 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Printer pr = new Printer(System.out);

        int l = sc.nextInt();
        int d = sc.nextInt();

        int[] dp = new int[l + 1];
        for (int i = 1; i <= l; i++) {
        	BitSet g = new BitSet();

        	for (int j = 1; j < i; j++) {
        		for (int k = j + 1; k < i; k++) {
        			if (i - j - k <= k) {
        				break;
        			}
        			if (i - j - k - j > d) {
        				continue;
        			}

        			int grandy = dp[j] ^ dp[k] ^ dp[i - j - k];
        			g.set(grandy);
        		}
        	}

        	dp[i] = g.nextClearBit(0);
        }

        if (dp[l] != 0) {
        	pr.println("kado");
        } else {
        	pr.println("matsu");
        }

        pr.close();
        sc.close();
    }

	@SuppressWarnings("unused")
	private static class Scanner {
		BufferedReader br;
		Iterator<String> it;

		Scanner (InputStream in) {
			br = new BufferedReader(new InputStreamReader(in));
		}

		String next() throws RuntimeException  {
			try {
				if (it == null || !it.hasNext()) {
//					it = Arrays.asList(br.readLine().split(" ")).iterator();
					it = Arrays.asList(br.readLine().split("\\p{javaWhitespace}+")).iterator();
				}
				return it.next();
			} catch (IOException e) {
				throw new IllegalStateException();
			}
		}

		int nextInt() throws RuntimeException {
			return Integer.parseInt(next());
		}

		long nextLong() throws RuntimeException {
			return Long.parseLong(next());
		}

		float nextFloat() throws RuntimeException {
			return Float.parseFloat(next());
		}

		double nextDouble() throws RuntimeException {
			return Double.parseDouble(next());
		}

		void close() {
			try {
				br.close();
			} catch (IOException e) {
//				throw new IllegalStateException();
			}
		}
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}