题解 | #统计字符#

s=input()
a=0
b=0
c=0
d=0
for i in s:
    if ord(i.lower()) in range(ord("a"),ord("z")+1):
        a=a+1
    elif i == " ":
        b=b+1
    elif ord(i) in range(ord("0"),ord("9")+1):
        c=c+1
    else:
        d=d+1
print(a)
print(b)
print(c)
print(d)