import java.util.Scanner;

public class FindTheMinimumValue {
    public static void main(String[] args) {
        Scanner myScanner=new Scanner(System.in);
        int a=myScanner.nextInt();
        int[] b=new int[a];
        int c=0;
        for(int i=0;i<a;i++){
            b[i]=myScanner.nextInt();
            if(b[i]<c){
                c=b[i];
            }
        }
        System.out.println(c);
    }
}