#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;
}