#include<bits/stdc++.h>
using namespace std;
long long k,n,sj=210;
long long read()
{
	char c=getchar();long long x=0,f=1;
	while(!isdigit(c)){if(c=='-') f=-1;c=getchar();}
	while(isdigit(c)) x=(x<<1)+(x<<3)+(c^48),c=getchar();
	return x*f;
}//快读好习惯
int main()
{
    k=read(),n=read();
    for(long long i=1,x;i<=n;i++)
    {
    	x=read();
    	char y;
    	cin>>y;
    	sj-=x;
    	if(sj<=0){cout<<k;break;}
    	if(y=='T') k++;
    	k%=8;
	}
    return 0;
}