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