Thanks_up's easy GCD
TimeLimit:2000MS MemoryLimit:128MB
64-bit integer IO format:%lld
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Problem Description
Given two number,n and k, if the result of 
is an odd number output "NO"(without quote), otherwise if it's an even number output "YES"(without quote)
Input
The first line of the input contains an integer T (1≤T≤10),which is the number of test cases.
In each case, the first line of the input contains two number n and k (1<=k<n<=2e12)
Output
output "YES" or "NO"(without quote)
SampleInput
1 1530169 1237
SampleOutput
YES