#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<iomanip>
#include<math.h>
#include<complex>
#include<queue>
#include<deque>
#include<stack>
#include<map>
#include<set>
#include<bitset>
#include<functional>
using namespace std;
#define REP(i,m,n) for(int i=(int)m ; i < (int) n ; ++i )
#define rep(i,n) REP(i,0,n)
typedef long long ll;
typedef pair<int,int> pint;
typedef pair<ll,int> pli;
const int inf=1e9+7;
const ll longinf=1LL<<60 ;
const ll mod=1e9+7 ;

struct SegmentTree{
   private:
       int n;
       vector<ll> node;
   public:
       SegmentTree(int sz,ll init){
           n=1;
           while(n<sz)n*=2;
           node.resize(2*n-1,init);
       }
       void update(int k,ll x){
           k+=n-1;
           node[k]=x;
           while(k>0){
               k=(k-1)/2;
               node[k]=max(node[2*k+1],node[2*k+2]);
           }
       }
       //[a,b)でのminを返す
       ll get(int a,int b,int k=0,int l=0,int r=-1){
           if(r<0)r=n;
           if(r<=a||b<=l)return -1;
           if(a<=l&&r<=b)return node[k];
           ll xl=get(a,b,2*k+1,l,(l+r)/2);
           ll xr=get(a,b,2*k+2,(l+r)/2,r);
           return max(xl,xr);
       }
   };

using P = pair<pint,pint> ;

int main(){
    int n;
    cin>>n;
    P p[n];
    rep(i,n){
        int a,b,c;
        cin>>a>>b>>c;
        p[i]={{a,b},{c,i+1}};
    }
    sort(p,p+n);
    reverse(p,p+n);
    SegmentTree sg(12345,-1);
    vector<int> ans;
    rep(i,n){
        int ret=sg.get(p[i].first.second,12345);
        if(ret>=p[i].second.first)continue;
        ans.push_back(p[i].second.second);
        sg.update(p[i].first.second,p[i].second.first);
    }
    sort(ans.begin(),ans.end());
    for(auto e:ans){
        printf("%d\n",e);
    }
    return 0;
}