/* package codechef; // don’t place package name! */
import java.util.;
import java.lang.;
import java.io.*;
/* Name of the class has to be “Main” only if the class is public. */
class Codechef
{
public static void main (String[] args) throws java.lang.Exception
{
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int k = sc.nextInt();
int init=0;
for(int i=1;i<=n;i++)
{
if((n-i)>=1 && (n-i)<=2)
{
init=i;
break;
}
}
int result=1;
for(int i=0;i<init;i++)
{
result = sc.nextInt();
}
System.out.println(resultn);
}
}