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EASY001 - Double Number

Input a number A. Print the number that is twice as much as A

Input

A number A, A <= 100

Output

The double of A

Example

Input:
23

Output:
46

Được gửi lên bởi:HRTech
Ngày:2019-11-07
Thời gian chạy:0.5s-1s
Giới hạn mã nguồn:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Ngôn ngữ cho phép:C NCSHARP C++ 4.3.2 CPP CPP14 CPP14-CLANG JULIA PYPY3

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