how_many_snakes = 2
snake_string = """
Welcome to Python3!

             ____
            / . .\\
            \  ---<
             \  /
   __________/ /
-=:___________/

<3, WangChengTaos
"""


#print(snake_string * how_many_snakes)

a = "aaaax"
b = "XXXXa"
c = "qwert"
d = "qwerc"
list = [a,b,c,d]
print(max(list))
