Problem

You are given $3$ integers $A, B, C$. Output the $2$-nd largest number among them.

Constraints

• $1 \le A \le 100$.
• $1 \le B \le 100$.
• $1 \le C \le 100$.

Input

The input is given from Standard Input in the following format:

A B C

Output

Output the $2$-nd largest number among $A, B, C$.

Sample Input and Output

Sample Input 1

7 5 3

Sample Output 1

5

• Output $5$, which is the $2$-nd largest among $7, 5, 3$.

Sample Input 2

1 3 3

Sample Output 2

3

• Among the given integers, $2$ of them may be equal.
• When $1, 3, 3$ are arranged in descending order, they are $3, 3, 1$, so output $3$, which is the $2$-nd largest.

Sample Input 3

100 100 100

Sample Output 3

100

• All of the given integers may be equal.

Sample Input 4

29 83 1

Sample Output 4

29