加密为：8842101220480224404014224202480122
ciphertext = "8842101220480224404014224202480122"
ciphertext = ciphertext.split('0')
result = ""
for block in ciphertext:
sum = 0
for i in range(len(block)):
sum += int(block[i])
result += chr(65 + sum - 1)
print(result)