UVA11311 Posted on 2017-01-16 | In Competitive Programming , UVa Exclusively EdibleAC Code12345678910111213141516171819#include <bits/stdc++.h>using namespace std;int main(){ int ncase; scanf("%d", &ncase); while(ncase--) { int r, c, x, y; scanf("%d %d %d %d", &r, &c, &x, &y); int val = (x + 1) ^ (r - x) ^ (y + 1) ^ (c - y); printf("%s\n", val == 0 ? "Hansel" : "Gretel"); } return 0;}