#CCBCHBA0000025. Hai biến điều khiển trong for (Two Control Variables in a For Loop)

Hai biến điều khiển trong for (Two Control Variables in a For Loop)

Two Control Variables in a For Loop

Source: Phước Hưng OJ

Version: Phuoc Hung OJ Extended

Problem Statement

Initialize i=0 and j=n. While i<j, increment i and decrement j once per iteration; output the final i and j.

Input

One integer n in [0,100].

Output

Print i and j after the loop.

Subtasks

  • Subtask 1 (20%): 0≤n≤100\le n\le10.
  • Subtask 2 (30%): 0≤n≤500\le n\le50.
  • Subtask 3 (50%): 0≤n≤1000\le n\le100.

Examples

Example 1

Input

5

Output

3 2

Explanation

(0,5)->(1,4)->(2,3)->(3,2), then stop.

Example 2

Input

4

Output

2 2

Explanation

Stop at (2,2) when both values meet.