题解 | #统计字符#

while True:
try:
import string
s=str(input())
a=b=c=d=0
for i in s:
if i in string.ascii_letters:
a+=1
elif i==' ':
b+=1
elif i in string.digits:
c+=1
else:
d+=1
print(a)
print(b)
print(c)
print(d)
except:
break