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MTB3SPTG2 - 3SPTG 2

Problem text... 2222222

Input

 

Output

 

Example

Input:
etc.

Output:
etc.

Được gửi lên bởi:Đặng Minh Tiến
Ngày:2017-02-03
Thời gian chạy:1s
Giới hạn mã nguồn:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Ngôn ngữ cho phép:ASM32-GCC MAWK BC C NCSHARP C++ 4.3.2 CPP CPP14 CPP14-CLANG COBOL COFFEE D-CLANG D DART ELIXIR FANTOM FORTH GRV JULIA KTLN LUA NODEJS OBJC OCAML OCT PAS-FPC PIKE PROLOG PYPY3 R RACKET CHICKEN ST SQLITE SWIFT UNLAMBDA

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