<Phantom_Hoover> learn composition is where you take morphisms such as Phantom and Hoover from the Pha category and combine them together: Hoover \xe2\x88\x98 Phantom.

#!/usr/bin/env python
import sys
import json
data = json.loads(sys.stdin.read().decode('utf-8'))
print eval(sys.argv[1]).encode('utf-8')