s=input()
if len(s)<=10:
    a=[0]*11
    for i in range(len(s)):
        a[int(s[i])]+=1
    flag=True
    for i in range(10):
        if a[i]>1:
            flag=False
            break
    if flag:
        print("正确")
    else:
        print("不正确")
else:
    print("不正确")