When we regrest an ID on the OJ(online judgement system).We must input our password twice.The computer will judge wheather the two passwords are the same.Your task is to help us write a program which will tell wheather the two passwords are the same.

The first line of input is a sigle integer N which will tell the number of tests.Then where will be N lines followed. Each line will contain two words separated by a space.The passwords will not have space/tab or other special charactor. The length of passwords will shorter than 100.

There will be one line of each testcase.Out out "YES" if they are correct;"NO" otherwise.

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