import java.util.*;
public class Kattis {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int curr = Integer.parseInt(sc.nextLine());
int questions = Integer.parseInt(sc.nextLine());
int time = 0;
for(int i = 0; i < questions; i++){
String[] line = sc.nextLine().split(" ");
time += Integer.parseInt(line[0]);
if(time > 210)
break;
if(!line[1].equals("T"))
continue;
curr++;
}
curr = (curr % 8 == 0)?8 :curr % 8;
System.out.println(curr);
}
}