Problem D
Help a PhD candidate out!

On his current list Jon Marius has two kinds of problems:
addition problems on the form “
Input
The first line of input will be a single integer
Output
Output the result of each addition. For lines containing “P=NP”, output “skipped”.
Sample Input 1 | Sample Output 1 |
---|---|
4 2+2 1+2 P=NP 0+0 |
4 3 skipped 0 |