class Solution(object):
    def reverseWords(self, s):
        """
        :type s: str
        :rtype: str
        """
        nums=s.split()
        # print(nums)
        n=len(nums)
        res=""
        for x in range(n-1,-1,-1):
            if x==0:
                res+=nums[x]
            else:
                res+=nums[x]
                res+=" "
        return res