#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
int main()
{
int n, k;
cin >> n >> k;
vector<vector<long long int> > arr(k);
arr[0].resize(n);
for (int i = 0; i < n; i++)
cin >> arr[0][i];
long long int temp;
for (int i = 1; i < k; i++)
{
arr[i].resize(n, 0);
for (int j = i; j < n; j++)
{
for (int k = i - 1; k < j; k++)
{
temp = arr[i - 1][k];
if (arr[0][k] < arr[0][j])
temp += arr[0][j] - arr[0][k];
arr[i][j] = max(arr[i][j], temp);
}
}
}
temp = arr[k - 1][0];
for (int i = 1; i < n; i++)
temp = max(temp, arr[k - 1][i]);
cout << temp;
return 0;
}
