using System;
public class Program
{
public static void Main()
int n = int.Parse(Console.ReadLine());
int min = 0;
for (int i=1;i<=n;i++)
int v = int.Parse(Console.ReadLine());
if (i==1)
{ min=v;}
else if (min<v)
{Console.WriteLine(min);}
else
{ Console.WriteLine(v);}
}