A list of city names is entered in one line separated by a space. Determine that all cities in this list are more than 5 characters long. Implement the program using a while loop and a break statement. Print YES if the condition is met and NO otherwise.

def city_check(cities):
    cities = cities.split()
    while True:
        if all(len(city) > 5 for city in cities):
            print("YES")
            break
        else:
            print("NO")
            break
    
city_check("Kyiv Dnipro Kharkiv")