Write a code to generate half pyramid pattern using numbers.

Write a code to generate a half pyramid pattern using numbers.

Input Description:
Given an integer R indicates number of rows.

Where 1<=R<=100

Output Description:
Print the number half pyramid pattern with the size R.

Sample Input :
5
Sample Output :
54321
4321
321
21
1


def pattern(n):
  for i in range(n,0,-1):
    for j in range(i,0,-1):
      print(j,end="")
    print()


n=int(input())
pattern(n)