your task is simple... you will read tow numbers a,b then print 1 if a==b or print 0 if a!=b

a and b are one_digit_numbers  {0,1,2,3,4,5,6,7,8,9}.

NOTE : The Only Available language For This Problem Is BrainF***.

Input

there are 10 test cases ... in each one there is:

one_digit_number a

followed by space

then one_digit_number b

followed by end_of_line charachter

Output

the logic value of a==b

Example

Input:
4 7
8 8
9 7
0 1
..
Output:
0
1
0
0
..

Score is your Code Length.