URI Online Judge | 1240

Fit or Dont Fit I

Adapted by Neilor Tonin, URI  Brazil

Timelimit: 1

Paulinho have in your hands a little problem. The teacher asked him to make a program to verify from two integer numbers A and B, if B  corresponds to the last digit of A.

Input

The input consists of several test cases. The first line of input contains an integer N that indicates the number of test cases. Each test case consists of two integers A (1 ≤ A < 231 ) e B (1 ≤ B < 231) positives.

Output

For each test case, print a message informing if the second number fit ("encaixa" in portuguese) or didn't fit ("nao encaixa") in the first number.

Sample Input Sample Output

4
5678690 78690
5434554 543
1243 1243
54 654

encaixa
nao encaixa
encaixa
nao encaixa