FUCT_IF_SEC2TIME - Second to time hh_mm_ss

Clock

Enter any positive integer that describes total second. You must convert the total second into time in format "hh:mm:ss".

Input

Contain total second.

Output

Print out time in format "hh:mm:ss".

Example

Input 1:
1986

Output 1:
00:33:06
Input 2:
-5

Output 2:
total second must be a positive integer

Added by:khanhvh
Date:2018-07-10
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:C NCSHARP C++ 4.3.2 CPP CPP14 CPP14-CLANG JULIA PYTHON PYPY3
Resource:FPTU Can Tho

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