#include <iostream>
#include <fstream>
#define MAXN 10005
#define inf 1000000000
#define MAXK 1024
using namespace std;



ifstream fin("ferma.in");
ofstream fout("ferma.out");

int n, K, prod[MAXN], s[MAXN], a[MAXK][MAXN], res;

void citire() {
    fin >> n >> K;
    for(int i = 1; i <= n; i++)
        fin >> prod[i];
}

void solve() {
    s[1] = prod[1];
    for(int i = 2; i<= n; i++)
        s[i] = s[i-1]+prod[i];

    a[1][1] = prod[1];
    for(int i = 1; i <= K; i++)
        for(int j = i+1; j <= n; j++){
            a[i][j] = a[i][j-1];
            for(int k =1; k < j; k++)
                a[i][j] = max(a[i][j], a[i-1][k]+s[j]-s[k]);
        }
    for(int j = 1; j <= n; j++)
       res = max(res, a[K][j]+s[n]-s[j]);
}

int main() {
    citire();
    solve();
    fout << res;
}