#include <iostream>
#include <cstdio>
#include <vector>
#include <cstring>
using namespace std;
typedef long long ll;
const int N = 1e3 + 5;
const ll INF = 1e15;
string name[N];
ll cost[N], a, b, mn = INF;
int n, ind;
int main()
{
  freopen("shop.in", "r", stdin);
  freopen("shop.out", "w", stdout);
  getline(cin, name[0]);
  cin >> cost[0] >> a >> b >> n;
  a *= cost[0];
  b *= cost[0];
  for (int i = 1; i <= n; i++)
  {
    getline(cin, name[i]);
    getline(cin, name[i]);
    cin >> cost[i];
    if (a <= cost[i] * 100 && cost[i] * 100 <= b && cost[i] < mn)
    {
      mn = cost[i];
      ind = i;
    }
  }
  cout << name[ind];
  return 0;
}