a==b?

Time Limit:1000MS  Memory Limit:65535KB
Description:
Give you two numbers A and B, if A is equal to B, you should print "YES", or print "NO".
Input:
Each test case contains two numbers A and B.They may be at most 100 lenth.
Process to the end of file.
Output:
For each case, if A is equal to B, you should print "YES", or print "NO".
Sample test:
Input
1 2
2 2
3 3.0
4 3
Output
NO
YES
YES
NO
Note:
Source:
Author:
ACSolo