#include<stdio.h>
int main()
int n, m, num;
if (scanf("%d %d %d",&n,&m,&num)!=3)
{
    printf("Invalid input\\n");
    return 1;
}
if ((num !=0 && num !=1) || n<1 || n<10 || m<1 || m<10)
{
    printf("Invlaid input\\n");
    return 1;
}
for (int i=0;i<n;i++)
{
    for (int j = 0; j < m; j++)
    {
        printf("%d", num);
    }
    printf("\\n");
}
return 0;
}