"""
    val = []
    if len(nums) != 0:
        nums.sort()
        length = len(nums)
        for i in range(length):
            if not nums[i] in val:
                if len(val) < 3:
                    val.append(nums[i])
                elif min(val) < nums[i]:
                    val.pop(0)
                    val.append(nums[i])

    if len(val) < 3:
        return max(val)
    else:
        return min(val)
    """