Even Number

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Time Limit: 1.0 s

Memory Limit: 256.0 MB

Description

Given a number \(N\), print a non-negative even number less then or equal to \(N\).

Format

Input

A number \(1 <= N <= 100\).

Output

One non-negative even number less then or equal to \(N\).

Sample

Input Output

100

2

Note: 0 is a non-negative even number, as it is larger then -1 and its reminder is 0 when divided by 2.

LU Divisonal Contest Problem Testing Round

Not Attended
Status
Done
Rule
ACM/ICPC
Problem
11
Start at
2024-11-30 19:30
End at
2024-12-09 12:30
Duration
209.0 hour(s)
Host
Partic.
15