#include<stdio.h>

int main()

{

    int n,i,set=;

    char str[][];

    while(scanf("%d",&n)&&n!=)

    {

        for(i=;i<=n;i++)

        {

            scanf("%s",&str[i]);

        }

        printf("SET %d\n",set);

        set++;

        if(n%==)

        {

            for(i=;i<=n;)

            {

                printf("%s\n",str[i]);

                i=i+;

            }

            for(i=n;i>;)

            {

                printf("%s\n",str[i]);

                i=i-;

            }

        }

        else

        {

            for(i=;i<=n;)

            {

                printf("%s\n",str[i]);

                i=i+;

            }

            for(i=n-;i>;)

            {

                printf("%s\n",str[i]);

                i=i-;

            }

        }

    }

    return ;

}