#include<bits/stdc++.h>
using namespace std;
int marble[1500][1500];
int main() {
int n;
cin >> n;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n; j++) {
cin >> marble[i][j];
}
}
int maxsum = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n; j++) {
if (marble[i][j] == 0) {
int sum = 0;
for (int k = 1; k <= n; k++)sum += marble[i][k];
for (int k = 1; k <= n; k++)sum += marble[k][j];
if (sum > maxsum)maxsum = sum;
}
}
}
if (maxsum != 0)
cout << maxsum << endl;
else cout << "Bad Game!" << endl;
return 0;
}