a = input()
b = int(a) // 1000
c = (int(a) // 100) % 10
d = (int(a) // 10) % 10
e = int(a) % 10
if b == 0:
    print("请输入四位数")
else:
    b1 = (b + 3) % 9
    c1 = (c + 3) % 9
    d1 = (d + 3) % 9
    e1 = (e + 3) % 9
    print(d1, e1, b1, c1, sep="")