Problem Statement
Takahashi participated in a contest on AtCoder.
The contest had $N$ problems.
Takahashi made $M$ submissions during the contest.
The $i$-th submission was made for the $p_i$-th problem and received the verdict $S_i$ (AC or WA).
The number of Takahashi's correct answers is the number of problems on which he received an AC once or more.
The number of Takahashi's penalties is the sum of the following count for the problems on which he received an AC once or more: the number of WAs received before receiving an AC for the first time on that problem.
Find the numbers of Takahashi's correct answers and penalties.
Constraints
$N$,$M$, and$p_i$are integers.$1 \leq N \leq 10^5$$0 \leq M \leq 10^5$$1 \leq p_i \leq N$$S_i$isACorWA.
Input
Input is given from Standard Input in the following format:
N M
p_1 S_1
:
p_M S_MOutput
Print the number of Takahashi's correct answers and the number of Takahashi's penalties.
样例
2 5
1 WA
1 AC
2 WA
2 AC
2 WA
2 2
100000 3
7777 AC
7777 AC
7777 AC
1 0
6 0
0 0
题面与样例版权归 AtCoder 及出题人所有；中文翻译由 AI 生成（CI 管线），如有出入请以原文为准。