#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++)
            {
                print("%d ",num =0);
            }
            printf("\n");
        }
    return 0;
}