백준 10820번 파이썬

while True:

    

    try:

        a=0

        b=0

        c=0

        d=0

        n= list(input())

        for i in range(len(n)):

            if n[i]>='a' and n[i]<='z':

                a+=1

            elif n[i]>='A' and n[i]<='Z':

                b+=1

            elif '9'>=n[i]>='0':

                c+=1

            elif n[i]==" ":

                d+=1

        print(a,b,c,d, sep=" ")

    except EOFError :

        break