A. Hammoudeh answer 2
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output

Aziz spent two hours debugging a 500-line Segment Tree to find the minimum number of operations.

Hammoudeh walked over, realized it was just a simple parity trick, deleted his code, and outputted the only answer that mattered:

2

Input

no input is given

Output

print 2

Example
Input
no input
Output
2