email = input("Enter your email: ")
characters={"!" ,"#" , "$" , "%" , "&" , "♤" , "♡" , "☆" , "□" , "●" }

if email.endswith("@gmail.com"):
    char = email.split("@")
    if len(char) ==2:
        left = char[0]
        right = char[1]
        left=set(left)
        right=set(right)
        if not left.intersection(characters):
            print("true")
        else:
            print("isn't correct")
    else:
        prin("isn't correct")
    

else:
    print("email isn't correct")