#include<bits/stdc++.h> using namespace std; int n; int l[1005],r[1005],h[1005]; int main(){ cin>>n; for(int i=1;i<=n;i++){ cin>>h[i]>>l[i]>>r[i]; } for(int i=1;i<=n;i++){ int s1=0,s2=0; for(int j=1;j<=n;j++){ if(h[i]>h[j]&&l[j]<l[i]&&r[j]>=l[i]){ s1=j; } } for(int j=1;j<=n;j++){ if(h[i]>h[j]&&l[j]<=r[i]&&r[j]>r[i]){ s2=j; } } cout<<s1<<' '<<s2<<'\n'; } return 0; }