#include "pch.h"
#include <iostream>
#include <map>
#include <algorithm>
#include <iterator>
using namespace std;
int main()
{
setlocale(LC_ALL, "Russian");
multimap< double, double> a;
multimap< double, double> ::iterator M;
int n, max = 0, min = 10;
cin >> n;
for (int i = 0; i < n; i++)
{
a.insert(make_pair(i, rand() % 30));
}
for (M = a.begin(); M != a.end(); M++)
{
cout << (*M).first << " " << (*M).second << endl;
if (max < (*M).second)
max = (*M).second;
}
cout << max << endl;
for (M = a.begin(); M != a.end(); M++)
{
if (min > (*M).second)
min = (*M).first;
}
a.erase(min);
for (M = a.begin(); M != a.end(); M++)
{
cout << (*M).first << " " << (*M).second << endl;
}
}