#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int a[3][3];
    for(int i=0;i<3;i++)
        {
        for(int j=0;j<3;j++)
            {
            cin>>a[i][j];
        }
    }
     for(int i=0;i<3;i++)
        {
        for(int j=0;j<3;j++)
            {
            if(i!=0&&j!=0&&(i+j)==2)
                {
                a[i][j]==5;
                //five=1; 
            }
            else
                a[i][j]=5;
            if(i%2==0&&j%2==0&&(i+j)%2==0)
                {
                a[i][j]%2==0;
                //even==1;
            }
            else
                {
              a[i][j]++;
     
            }
        }
     }
    
            cout<<1;
               return 0;
}