ciphertext = "xlcdslw-ksfvzg.nzx"
for shift in range(1, 26):
result = ""
for c in ciphertext:
if c.isalpha():
base = ord('A') if c.isupper() else ord('a')
result += chr((ord(c) - base + shift) % 26 + base)
else:
result += c
if "marshal-zhukov.com" in result:
print(f"ROT-{shift}: {result}")
break
ROT-15: marshal-zhukov.com