import java.util.Scanner;
public class Main{
    public static void main(String[] args){
        Scanner sc=new Scanner(System.in);
        int n=sc.nextInt();
        int min = 0;
        int minEnt= sc.nextInt();
        for (int i =1;i<n;i++){
           int nextInt= sc.nextInt();
           if (nextInt<minEnt){
               minEnt=nextInt;
               min=i;
           }
        }
        System.out.println(min);
    }
}