package codeup_100;
import java.util.Scanner;
public class codeup_95 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int arr[] = new int [n];
int min = 24;
for(int i = 0; i < n; i++) {
arr[i]=sc.nextInt();
}
for(int i = 0; i < n; i++) {
if(arr[i]<min) {
min=arr[i];
}
}
System.out.println(min);
}
}