#include<iostream>
#include<cstdio>
using namespace std;
char a[100001][11];
int b[100001],c[100001],d[100001];
int main (){
	freopen("toya.in","r",stdin);
	freopen("toya.out","w",stdout);
	long long m,n,g=1;
	cin>>m>>n;
	for(int i=1;i<=m;i++)
		cin>>b[i]>>a[i];
	for(int j=1;j<=n;j++)
		cin>>c[j]>>d[j];
	for(int k=1;k<=n;k++){
		if(b[g]==0)
		{
			if(c[k]==0)g-=d[k];
			else g+=d[k];
			}
		else
		{
			if(c[k]==0)g+=d[k];
			else g-=d[k];
			}
		if(g>0)g=g;
		if(g<0)g=1000*m+g;
		g=g%m;
		if(g==0)g=m;	
	}
	cout<<a[g];
	return 0;
}