"""
class MinStack:
    def __init__(self):
        pass

    def top(self):
        pass

    def push(self, x):
        pass

    def pop(self, x):

    def getMin(self):
        pass

"""
class MinStack:
    def __init__(self):
        pass

    def top(self):
        pass

    def push(self, x):
        pass

    def pop(self, x):

    def getMin(self):
        pass

