#include <bits/stdc++.h>
using namespace std;
int main()
{
int no;
cin>>no;
int arr[no];
for(int i=0;i<no;i++)
{
cin>>arr[i];
}
int q;
cin>>q;
for(int j=0;j<q;j++)
{
int input;
cin>>input;
auto low=lower_bound(arr,arr+no,input);
auto up=upper_bound(arr,arr+no,input);
if(low==(arr+no))
{
cout<<-1;
}
else
{
cout<<(low-arr)<<" β;
}
if((up==arr+no)&&(up!=arr+no-1))
{
cout<<-1;
}
else if((up==arr+no)&&(up==arr+no-1))
{
cout<<(up-arr-1)<<β β;
}
else
{
cout<<(up-arr-1)<<β ";
}
cout<<endl;
}
}