题解 | #统计字符#

while True:
    try:
        s = input()
        l = [0]*4
        for i in s:
            if i.isalpha():
                l[0]+=1
            elif i.isnumeric():
                l[2]+=1
            elif i == " ":
                l[1]+=1
            elif not i.isalnum():
                l[3]+=1
        for i in l:
            print(i)
    except:
        break