Write a program that takes input of three integers ~a~, ~b~, and ~c~, where the absolute values of ~a~, ~b~, and ~c~ do not exceed ~10^{18}~. Print out the largest of these three numbers.

Input

• Three integers ~a~, ~b~, ~c~, each on a separate line.

Output

• An integer representing the largest value among the three numbers.

Sample Input

9 
7 
2004

Sample Output

2004