#include<iostream>
#include<stdio.h>
using namespace std;
int main(){
	int n, a[105][105], b[105], c[105], sum = 0, ans = 0;
	cin >> n; 
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= n; j++){
			cin >> a[i][j];
		}
	}
	int k = 0;
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= n; j++){
			sum += a[i][j];
		}
		if(sum % 2 != 0){
			b[k] = i;
			k++;
		}
		sum = 0;
	}
	int l = 0;
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= n; j++){
			ans += a[j][i];
		}
		if(ans % 2 != 0){
			c[l] = i;
			l++;
		}
		ans = 0;
	}
	if(l == 1 && k == 1){
		cout << b[0] << " " << c[0];
	}else if(l == 0 && k == 0){
		cout << "OK";
	}else{
		cout << "Corrupt";
	}
	
	return 0; 
}

#include<bits/stdc++.h>
using  namespace std;
int arr[105][105], h[105], l[105];
int n;
bool check(){
    for(int i = 1; i <= n; i++){
        if(h[i] % 2 != 0 || l[i] % 2 != 0){
            return false;
        }
    }
    return true;
}
int main(){
    cin >> n;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            cin >> arr[i][j];
            if(arr[i][j] == 1) h[i]++, l[j]++;
        }
    }
    if(check() == true){
        cout << "OK";
        return 0;
    }
    int cnt = 0;
    int th, tl;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            if(h[i] % 2 == 1 && l[j] % 2 == 1 && arr[i][j] == 1){
                cnt++;
                if(cnt == 1) th = i, tl = j;
                h[i]--, l[j]--;
            }
        }
    }
    if(cnt == 1) cout << th << " " << tl;
    else cout << "Corrupt";
    return 0;
}