You are given a string representing a system directory path and a string representing a directory change command as arguments. Return the new directory path after the change command has been "executed."

'../' indicates going up one directory, '../../' would mean to go up two directories etc.

Requirements

• Must return a string

Example #1

solve('/home/pictures/hawaii/july', '../../florida/may')
> '/home/pictures/florida/may'

Example #2

solve('/Library/Logs/Microsoft', '../../../var/log')
> '/var/log'