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

for i in arr:
    print(i,end='')