#include <iostream>

using namespace std;

struct lakas_adat
{
  int alapterulet;
  int ar;
};

lakas_adat* adat_olvasas(const int db);
void a(const int db, const lakas_adat* adat);
void b(const int db, const lakas_adat* adat);
void c(const int db, const lakas_adat* adat);
void d(const int db, const lakas_adat* adat);
bool contains(const int db, const int* adat, const int alapterulet);
void buborek_rendezes(const int db, int*& elemek);

int main()
{
  int db = 0;
  cin >> db;
  lakas_adat* adatok = adat_olvasas(db);

  a(db,adatok);
  b(db,adatok);
  c(db,adatok);
  d(db,adatok);
}

lakas_adat* adat_olvasas(const int db)
{
  lakas_adat* result = new lakas_adat[db];
  for(int i = 0; i < db; ++i)
  {
    cin >> result[i].alapterulet;
    cin >> result[i].ar;
  }
  return result;
}

void a(const int db, const lakas_adat* adat)
{
  int index = 0;
  int max = adat[0].ar;
  for(int i = 1; i < db; ++i)
  {
    if(adat[i].ar > max)
    {
      max = adat[i].ar;
      index = i;
    }
  }
  cout << index + 1<< endl;
}

void b(const int db, const lakas_adat* adat)
{
  int counter = 0;
  for(int i = 0; i < db; ++i)
  {
    if(adat[i].alapterulet > 100)
    {
      if(adat[i].ar > 40)
      {
        ++counter;
      }
    }
  }
  cout << counter << endl;
}

bool contains(const int db, const int* adat, const int alapterulet)
{
  for(int i = 0; i < db; ++i)
  {
    if(adat[i] == alapterulet) return true;
  }
  return false;
}

void c(const int db, const lakas_adat* adat)
{
  int* valasztek = new int[db];
  int counter = 0;
  for(int i = 0; i < db; ++i)
  {
    if(!contains(counter,valasztek,adat[i].alapterulet))
    {
      valasztek[counter++] = adat[i].alapterulet;
    }
  }
  cout << counter << endl;
}

void buborek_rendezes(const int db, int*& elemek)
{
  for(int j = db; j > 1; --j)
  {
    for(int i = 0; i < j-1; ++i)
    {
      if(elemek[i] > elemek[i+1])
      {
        int tmp = elemek[i+1];
        elemek[i+1] = elemek[i];
        elemek[i] = tmp;
      }
    }
  }
}

void d(const int db, const lakas_adat* adat)
{
  int* lakasok = new int[db];
  int counter = 0;
  for(int i = 0; i < db; ++i)
  {
    if(adat[i].ar > 100)
    {
      lakasok[counter++] = i;
    }
  }
  buborek_rendezes(counter,lakasok);
  cout << counter;
  for(int i = 0; i < counter; ++i)
  {
    cout << " " << lakasok[i];
  }
  cout << endl;
}