Bit ManipulationMath
Compute the sum of two integers a and b without using the + or - operators. Use bitwise operations instead.
Input
A single line with two integers a and b.
Output
Print a + b.
Constraints
-1000 <= a, b <= 1000
Example 1
Input
1 2
Output
3
1 + 2 = 3.
Example 2
Input
-2 3
Output
1
Negative numbers work because of two's complement.