#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;
}