import random

a = str(random.randint(1000,9999)) #3452
print(a)

count = 1

def check_num():
    p = input("Enter input number: ")
    cows = bulls = 0
    for i in p:
        for j in a:
            if i==j:
                if a.find(i) == p.find(j):
                    cows = cows+1
                else:
                    bulls = bulls+1
                    break
            else:
                continue
    print(cows, "cows", bulls, "bulls")
    return(cows)

while int(check_num()) != 4:
    count = count+1

print("Congratulations, you got the right number",a,"in",count,"tries.")