#include<fstream>
#include<iostream>

using namespace std;

struct student {
  long f;
  int t;
  int s;

};



int main()
{
  int n;
  int m;
  ifstream fin("exam.in");
 fin>>n>>m;

  int i, c, flag= 0;
  long f1, s1;
  student a[513];
  for (i=0; i<n; i++) { fin>>a[i].f>>a[i].t;

                        a[i].s = 0;}
  int j=0;
  for (i=0; i<m; i++) { flag = 0;
                          fin>>f1>>s1;

                          c=0;
                          while (flag == 0 && c<n+j){
                             if (f1==a[c].f) flag = 1;
                             c++;
                          }
                          if (flag==1) { c--;
                                        a[c].s=s1;}
                          else {
                           a[n+j].f = f1;
                           a[n+j].s = s1;
                           a[n+j].t = 0;
                           j++;}
  }

  ofstream fout ("exam.out");
  for (i=0; i<n+j; i++) if (a[i].t+a[i].s>119) fout<<a[i].f<<endl;


  fout.close();
  return 0;
  }