题解 | #统计字符#

mystr=input()
times=[0,0,0,0]
for i in mystr:
    if i.isdigit():
        times[2]+=1
    elif i.isalpha():
        times[0]+=1
    elif i==' ':
        times[1]+=1
    else:
        times[3]+=1
[print(i) for i in times]