题解 | #统计字符#

my_str = input()
count_a = 0
count_s = 0
count_d = 0
count_o = 0

for i in my_str:
    if i.isalpha():
        count_a += 1
    elif i.isspace():
        count_s += 1
    elif i.isdigit():
        count_d += 1
    else:
        count_o +=1

print(count_a)
print(count_s)
print(count_d)
print(count_o)