#include<iostream>
#include<string>
#include <map>
#include <sstream>
#include <set>
#include <unordered_set>
#include <unordered_map>

using namespace std;

void entryFunction(istringstream& istr,unordered_set<string> &setID,
                   unordered_map<string, int>& nameMap,map<int, int>& ageMap)
{
    string ID;
    string name;
    int age=0;

    istr>>ID;

    if(setID.find(ID)==setID.end())
    {
        setID.insert(ID);
        istr>>name>>age;

        nameMap[name]++;
        ageMap[age]++;
    }

}

void nameSearchFunction (istringstream& istr, unordered_map<string, int>& nameMap)
{
    string name;
    istr>>name;

    cout<<nameMap[name]<<endl;
}

void ageSearchFunction (istringstream& istr,map<int, int>& ageMap)
{
    int fromStart=0;
    int toEnd=0;

    istr>>fromStart>>toEnd;
    int usersCounter=0;

    map<int,int>::iterator startIT=ageMap.find(fromStart);
    map<int,int>::iterator endIT= ageMap.find(toEnd);

    for(; startIT!=endIT; ++startIT)
    {
        usersCounter+=startIT->second;
    }
    cout<<usersCounter<<endl;
}

main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);

    unordered_set<string> setID;
    unordered_map<string, int> nameMap;
    map<int, int> ageMap;

    string command;



    while(true)
    {
       ///Take command
       getline(cin, command);
       istringstream istr (command);
       string keyWord;

       istr>>keyWord;

        ///Do something
       if(keyWord=="entry")
       {
            entryFunction(istr, setID, nameMap, ageMap);
       }else if(keyWord=="name")
       {

            nameSearchFunction (istr, nameMap);
       }else if(keyWord=="age")
       {

            ageSearchFunction (istr, ageMap);
       }else if(keyWord=="end")
       {
           break;
       }


    }


    return 0;
}