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