// Andrei Bordeianu

// Elena Cuza NC of Bucharest

// Senior/3

#include <iostream>

#include <fstream>

#include <iomanip>

#include <cmath>

using namespace std;

int a[20][5], m, n, lin, col, k, l;

ifstream in ("input.txt");

ofstream out ("output.txt");

int main () {

for (lin=1; lin<=5; lin++) {

col=1;

in >> a[col][1] >> a[col][2];

while (a[col][1] != 0) {

col ++;

in >> a[col][1] >> a[col][2];

}

for (k=1; k<=8; k++) {

for (l=1; l<=8; l++) {

n = 0;

for (m=1; m<col; m++)

if ( a[m][1]==k || a[m][2]==l || abs(k-a[m][1]) == abs(l-a[m][2]) )

n++;

if (n == col-1) {

out << k << ", " << l << endl;

break;

}

}

if (n==col-1)

break;

}

}

return 0;

}