#include <bits/stdc++.h>
using namespace std;
const int maxn = 100002;
int n, m;
struct toy {
    bool to;
    string name;
} t[maxn];
int main() { 
    freopen("toy.in", "r", stdin);
    freopen("toy.out", "w", stdout);
    ios::sync_with_stdio(false);
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
        cin >> t[i].to >> t[i].name;
    int now = 1;
    for (int i = 1, lr, st; i <= m; i++) {
        cin >> lr >> st;
        now += (((lr ^ t[now].to) << 1) - 1) * st;
        ((now += n)) %= n;
        if (!now) now = n;
    }
    cout << t[now].name << endl;
    return 0;
}
// 此致我的NOIP2016