题解 | #密码游戏#

data = input()

t_data = (int(data) // 1000)
h_data = ((int(data) // 100) % 10)
s_data = ((int(data) //10) % 10)
g_data = (int(data) % 10)

arr = [t_data , h_data , s_data , g_data]

for i in range(len(arr)):
    arr[i] = (arr[i] + 3) % 9

print(arr[2],arr[3],arr[0],arr[1],sep='')