#include <iostream>
#include <fstream>
#include <string>
#include <cstdlib>
#include <vector>
#include <algorithm>
#include <iterator>
#include <functional>

using namespace std;
using namespace std::placeholders;

struct CoreUser {
    string user;
    double cost;
};

istream& operator>>(istream& in, CoreUser& core) {
    in >> core.user >> core.cost;
    return in;
}

struct SortUser {
        bool operator()(const CoreUser& u1, const CoreUser& u2) {
            return u1.cost < u2.cost;
            }
};

int main(int argc, char **argv) {
    if (argc < 2)
        return EXIT_FAILURE;
    ifstream in{argv[1]};
    if (!in)
        return EXIT_FAILURE;

    CoreUser u;
    vector<CoreUser> v;

    while (in >> u) {
        v.push_back(u);
    }

    // type your code bellow.
    vector<CoreUser>::iterator ite = v.begin();
    for(;ite < v.end();ite++){
        if((*ite).cost < 24.0){
            v.erase(ite);
        }
    }
    SortUser sortuser;
    sort(v.begin(), v.end(), sortuser);
    for(int i = 0;i < v.size();i++)
        cout<<v[i].user<<"  "<<v[i].cost<<endl;
    in.close();
}