Given an even integer R indicates number of rows.

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

Where 1<=R<=100

Output Description:
Print the number pattern based on the given integer R.

Sample Input :
5
Sample Output :
12345
1234
123
12
1


n=int(input())
for i in range(n):
  p=1
  for j in range(i,n):
    print(p,end="")
    p+=1
  print()