/******************************************************************************

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*******************************************************************************/
#include <stdio.h>

int
main ()
{
  int m, n, a[10][10], i, j, x, sem;
  printf ("Nr de Linii = ");
  scanf ("%d", &m);
  printf ("Nr de Coloane = ");
  scanf ("%d", &n);
  for (i = 0; i < m; i++)
    for (j = 0; j < n; j++)
      scanf ("%d", &a[i][j]);

    for (i = 0; i < m; i++)
    {
        sem=0;
        x=a[i][0];
       for (j = 0; j < n; j++)
        {
            if(a[i][j]!=x)
                sem=1;
        }
        if(sem==0)
        {
            printf("%d ",i);
        }

    }


}