文件目录

#include <bits/stdc++.h>
using namespace std;
struct stu
{
    int num;
    int sco;
} s[5050];
bool cmp(stu a, stu b)
{
    if (a.sco != b.sco)
        return a.sco > b.sco;
    return a.num < b.num;
}
int n, m;
int main()
{
    cin >> n >> m;
    m *= 1.5;
    for (int i = 1; i <= n; i++)
    {
        cin >> s[i].num >> s[i].sco;
    }
    sort(s + 1, s + n + 1, cmp);
    int f = s[m].sco;
    int z = m;
    while (s[z].sco == f)
        z++;
    cout << f << " " << z - 1 << endl;
    for (int i = 1; i < z; i++)
    {
        cout << s[i].num << " " << s[i].sco << endl;
    }
    return 0;
}