#include <iostream>

using namespace std;

void cit(int &n, int &m, int a[11][11])
{
    int i, j;
    cout<<"n = ";
    cin>>n;
    cout<<"m = ";
    cin>>m;
    for(i=1; i<=n; i++)
    {
        for(j=1; j<=m; j++)
            cin>>a[i][j];
    }
}

void afis(int n, int m, int a[11][11])
{
    int i, j;
    for(i=1; i<=n; i++)
    {
        for(j=1; j<=m; j++)
            cout<<a[i][j]<<" ";
        cout<<endl;
    }
}

int pa(int n, int m, int a[11][11], int x)
{
    int j;
    for(j=2; j<=n-1; j++)
        if(2*a[x][j]!=a[x][j-1]+a[x][j+1])
            return 0;
    return 1;
}

void afis_lin(int n, int m, int a[11][11])
{
    int i;
    for(i=1; i<=m; i++)
        if(pa(n, m, a, i)==1)
            cout<<i<<" ";
}

int main()
{
    int n, m, a[11][11];
    cit(n, m, a);
    cout<<endl;
    afis(n, m, a);
    cout<<endl;
    afis_lin(n, m, a);
    return 0;
}