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