#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 1 = 0; i < n; i++)
    {
        for( int j = 0; j< m; j++)
        {
            printf("%d ",num =0);
        }
        printf("\n");
    }
        return 0;
}