Zero-Iteration While Loop

Source: Phước Hưng OJ

Version: Phuoc Hung OJ Extended

Problem Statement

Initialize x=0. While x<n, increase x by one. Print the final x. This task highlights that a while loop may execute zero times.

Input

One integer n.

Output

Print the final value of x.

Subtasks

• Subtask 1 (20%): 0 <= n <= 5.
• Subtask 2 (30%): 0 <= n <= 50.
• Subtask 3 (50%): 0 <= n <= 100.

Examples

Example 1

Input

0

Output

0

Explanation

The initial condition 0<0 is false, so x remains zero.

Example 2

Input

3

Output

3

Explanation

The loop increments x from 0 to 3, then stops.