#include<stdio.h>
int main()
{
int n, j, i;
while(scanf("%d",&n)==1&&(n<=20))
{
for(i=1;i<=n;i++)
{
for(j=1;j<=(n-i)*2+1;j++)
{
printf("#");
}
printf("\n");
}
}
printf("the input is illegal\n");
return 0;
}
int main()
{
int n, j, i;
while(scanf("%d",&n)==1&&(n<=20))
{
for(i=1;i<=n;i++)
{
for(j=1;j<=(n-i)*2+1;j++)
{
printf("#");
}
printf("\n");
}
}
printf("the input is illegal\n");
return 0;
}