import java.util.*;
public class TwoSum {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int [] arr = new int[n];
for(int i = 0;i < arr.length; i++){
arr[i] = sc.nextInt();
}
int target = sc.nextInt();
HashMap hash = new HashMap<>();
ArrayList ls = new ArrayList<>();
int []res = new int[2];
for(int num : arr){
ls.add(num);
}
for(int i = 0; i < arr.length; i++){
if(ls.contains(target-ls.get(i))){
res[0] = i;
res[1] = i+1;
break;
}
}
for(int num : arr){
int complement = target - num;
if(hash.containsKey(complement)){
res[0] = hash.get(complement);
res[1] = Arrays.asList(arr).indexOf(num);
break;
}
}
System.out.println(Arrays.toString(res));
}
}