package com.company;
        import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);
        int n = Integer.parseInt(console.nextLine());
        int sum = Integer.parseInt(console.nextLine());
        for(int i = 2; i <= n; i++){
            int sum1 = Integer.parseInt(console.nextLine());
            if(sum>sum1)
            sum = sum1;
        }
        System.out.println(sum);
    }
}