#include <bits/stdc++.h>

using namespace std;

ifstream f("numere5.in");
ofstream g("numere5.out");

int n;
bitset < 1000005 > vf;

int main(){
    int i,x,value;
    f >> n;
    value = n * n;
    for(i = 1 ; i <= value ; i++){
        f >> x;
        vf[x] = 1;
    }

    int minim = 0, maxim = 0;
    for(i = 1 ; i <= value ; i++)
        if(!vf[i])
            if(!minim){
                minim = i;
            }else{
                maxim = i;
            }

    g << minim << " " << maxim;

    return 0;
}