N = input()
ans = ['9'] * len(N)
res = 9 * len(N)
for i, n in enumerate(N):
    if n == '3':
        res -= 7
        ans[i] = '2'
        break
    else:
        res -= 9 - int(n)
        ans[i] = n

if res % 3 == 0:
    ans[-1] = chr(ord(ans[-1]) - 1)

print(''.join(ans))