A 牛牛的密码

A 牛牛的密码

纯模拟

s=input()
l1=[]
l2=[]
l3=[]
l4=[]
ans=0
for i in s:
    if 'a'<=i<='z':
        l1.append(i)
    elif 'A'<=i<='Z':
        l2.append(i)
    elif '0'<=i<='9':
        l3.append(i)
    else:
        l4.append(i)
if l1:
    ans+=1
if l2:
    ans+=1
if l3:
    ans+=1
if l4:
    ans+=1


print(f"password level:{ans}")
if l1:
    print("".join(l1))
else:
    print("(Null)")
if l2:
    print("".join(l2))
else:
    print("(Null)")
if l3:
    print("".join(l3))
else:
    print("(Null)")
if l4:
    print("".join(l4))
else:
    print("(Null)")