10011001 SUSTech Online Judge
Problem 1001 --Medium Number

1001: Medium Number

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 219  Solved: 117
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Description

Give you three integer A, B and C. Please print the medium number.

Input

Three integer: A B C (abs(A)<106, abs(B)<106, abs(C)<106)

Output

An integer: K

Sample Input

1 2 3

Sample Output

2

HINT

Source

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