#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    long long int i,j,k,m,n,a[100000],b,c,d,x,y,z,cost;
    cin>>n>>cost;
    for(i=0;i<n;i++)
        cin>>a[i];
    cout<<a[n-1];
    return 0;
}