Find the Max

Time Limit: 1 sec

 

The Problem

Two numbers will be given. Your task is to find the max value between them.

 

Example:

1 2

The max value is 2

 

The Input

The input file contains several lines. Each line contains two integers x and y (0<= x, y <=100). Input is terminated by a line containing two zeroes.

 

The Output

For each line of input output will print the max value in a separate line.

 

Sample Input

1 2

10 20

0 0

 

Sample Output

2

20

 

 

 

Problem Setter: Samia Safa Ahmed