import java.util.Scanner;

public class MinNumber {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int num = Integer.parseInt(scanner.nextLine());

        int counter = 0;
        int minNumber = Integer.MAX_VALUE;

        while(counter < num){
            int number = Integer.parseInt(scanner.nextLine());

            if (minNumber > num){
                minNumber = number;
            }
        }
        System.out.println(minNumber);
    }

}