s=input()
s=list(s)
b=[0]*10
if len(s)>10:
    print("不正确")
else:
    for i in range(len(s)):
        b[int(s[i])]+=1
        if b[int(s[i])]>1:
            print("不正确")
            break
        if i==len(s)-1:
            print("正确")