Bank Number Generator

a = int(input())
b = ord(input())
c = ord(input())
d = ord(input())
e = int(input())
n = int(input())

for i in range(a, 100):
    for j in range(b, ord('Z') + 1):
        for k in range(c, ord('z') + 1):
            for l in range(d, ord('Z') + 1):
                for m in range(e, 9, -1):
                    if i % 10 == 2 and m % 10 == 5:
                        n -= 1
                        if n == 0:
                            print(f"{i}{chr(j)}{chr(k)}{chr(l)}{m}")
                            exit(0)