n=int(input())
for x in range(1,n+1):
    print(' '*(n-x)+'/'+'_'*((x-1)*2)+'\\')

n = int(input())

for i in range(n):
    for j in range(1, 2 * n + 1):
        if j == n - i:
            print("/", end="")
        elif j == n + i + 1:
            print("\\", end="")
        elif n - i < j < n + i + 1:
            print("_", end="")
        else:
            print(" ", end="")
    print()

#include <stdio.h>

int main()
{
    int n;
    scanf ("%d",&n);
    for (int i=0;i<n;i++)
    {
        for (int j=1;j<=2*n;j++)
        {
            if (j==n-i)
            {
                printf("/");
            }
            else if (j==n+i+1)
            {
                printf("\\");
            }
            else if (j>n-i&&j<n+i+1)
            {
                printf("_");
            }
            else
            {
                printf(" ");
            }
        }
        printf ("\n");
    }
    return 0;
}