e-olymp
Problems

Subtraction

Subtraction

Find the difference of two nonnegative integers A and B.

Input

In the input file is given two nonnegative integers A and B (BA1010000), each in its line.

Output

In the output file print out a single number equal to the difference between A and B.

Time limit 1 second
Memory limit 64 MiB
Input example #1
5
3
Output example #1
2