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