题解 | #密码游戏#

# 解法一
# num = input()
# arr = [0, 0, 0, 0]

# for i in range(4):
#     arr[i] = (int(num[i]) + 3) % 9

# temp=arr[0]
# arr[0]=arr[2]
# arr[2]=temp

# temp=arr[1]
# arr[1]=arr[3]
# arr[3]=temp


# 解法二

arr = list(map(lambda x: (int(x) + 3) % 9, input()))
arr[2], arr[3], arr[0], arr[1] = arr[0], arr[1], arr[2], arr[3]
for i in arr:
    print(i, end="")