# This is a useful data structure for implementing

# a counter that counts the time.

class DFSTimeCounter:

def $\_\_$init$\_\_($self$)$:

self.count $=0$

def reset$($self$)$:

self.count $=0$

def increment$($self$)$:

self.count $=$ self.count $+1$

def get$($self$)$:

return self.count