#CCBCHBA0000007. Đếm ngược n về 0 (Countdown to Zero)

Đếm ngược n về 0 (Countdown to Zero)

Countdown to Zero

Source: Phước Hưng OJ

Version: Phuoc Hung OJ Extended

Problem Statement

Print n,n-1,...,0 in decreasing order. Zero is always included, including when n=0.

Input

One integer n.

Output

One line of space-separated integers.

Subtasks

  • Subtask 1 (20%): 0≤n≤50\le n\le5.
  • Subtask 2 (30%): 0≤n≤200\le n\le20.
  • Subtask 3 (50%): 0≤n≤1000\le n\le100.

Examples

Example 1

Input

3

Output

3 2 1 0

Explanation

Start at 3 and subtract one down to zero.

Example 2

Input

0

Output

0

Explanation

The loop executes once when i=0.