p00049 Blood Groups
Create a program that reads the attendance numbers of students in a class and the data that stores the ABO blood group and outputs the number of people for each blood type. There are four types of ABO blood types: A, B, AB, and O.



Input

A comma-separated pair of attendance numbers and blood types is given over multiple lines. The attendance number is an integer between 1 and 50, and the blood type is one of the strings "A", "B", "AB" or "O". The number of students does not exceed 50.

Output

Number of people of type A on the first line
Number of people of type B on the second line
Number of people of AB type on the 3rd line
Number of O-shaped people on the 4th line
Is output.

Example

Input

1,B
2,A
3,B
4,AB
5,B
6,O
7,A
8,O
9,AB
10,A
11,A
12,B
13,AB
14,A


Output

5
4
3
2
```python
from collections import Counter
import sys
d=Counter([i.split(",")[1].strip() for i in sys.stdin])
[print(d[i]) for i in ["A","B","AB","O"]]


```