#include <stdio.h>
int main ()
{
    int n,m,num=0;
    scanf("%d %d %d", &n, &m, &num);
    if(num !=3)
    if(n <= 0|| (num != 0 && num !=1))
    {
        printf("Invalid input")
        return 0;
    }
    for (int i =0; i < n; i++)
    {
        for ( int j = 0; j < m; j++)
        {
            printf("%d ",num =0);
        }
        printf("\n");
    }
    return 0;
}