#include<iostream>
#include<algorithm>
using namespace std;
struct Match{
    string name;
    int start;
    int end;
}
bool check(Match a ,Match b){
    return a.end<b.end;
}
int main(){
    int n;
    cin>>n;
    Match m[50];
    for(int i=0i<n;i++){
        cin>>m[i].name>>m[i].start>>m[i].end;
        
        
        
    }
    sort(m,m+n,check);
    cout<<"Selected Activities:"
    int last=-1;
    for(int i=0;i<n;i++){
        if(m[i].start>=last){
            cout<<m[i].name<<" ";
            last=m[i].end;
        }
    }
    return 0;
    
    
}