#include <bits/stdc++.h>

using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    int x[3];
    int y[3];
    int arr[3];
    for (int i = 0;i < 3;i++) {
        cin >> x[i] >> y[i];
    }
    
    arr[0] = (x[0] - x[1]) ^ 2 + (y[0] - y[1]) ^ 2;
    arr[1] = (x[1] - x[2]) ^ 2 + (y[1] - y[2]) ^ 2;
    arr[2] = (x[2] - x[0]) ^ 2 + (y[2] - y[0]) ^ 2;

    if ( (y[1] - y[0]) (x[2] - x[0]) - (y[1] - y[0]) (x[1] - x[0]) ) {
        cout << 'X';
        return 0;
    } else if (max(arr,arr+3) == arr[0] + arr[1] +  arr[2] - max(arr,arr+3)) {
        if (arr[0] != arr[1] && arr[1] != arr[2] && arr[2] != arr[0]) {
            cout << " JikkakTriangle";
            return 0;
        }
        else{
            cout << "Jikkak2Triangle";
            return 0;
        }
    } else if (max(arr,arr+3) > arr[0] + arr[1] +  arr[2] - max(arr,arr+3)) {
        if (arr[0] != arr[1] && arr[1] != arr[2] && arr[2] != arr[0]) {
            cout << "DunkakTriangle";
            return 0;
        }
        else{
            cout << "Dunkak2Triangle";
            return 0;
        }
    }
    else if (max(arr,arr+3) < arr[0] + arr[1] +  arr[2] - max(arr,arr+3)) {
        if (arr[0] != arr[1] && arr[1] != arr[2] && arr[2] != arr[0]) {
            cout << "DunkakTriangle";
            return 0;
        }
        else{
            cout << "YeahkakTriangle";
            return 0;
        }
    }
    return 0;
}