题解 | #密码游戏#

number = input()
passwd = []
for i in range(len(number)):
    passwd.append((int(number[i])+3)%9)
passwd[0],passwd[1],passwd[2],passwd[3] = passwd[2],passwd[3],passwd[0],passwd[1]
passwdfinal = ""
for i in passwd:
    passwdfinal +=str(i)
print(passwdfinal)