Star Printing - 13

Time limit

Memory limit

128 MB

Problem

You are given an integer N. From the first line through the N-th line, print one more star on each line. Then, through the 2×N-1-th line, print one fewer star on each line.

Input

The first line contains an integer N. N is between 1 and 100 inclusive.

Output

Print exactly 2×N-1 lines. Each line must contain only the required number of stars.