// In the name of GOD
#include <bits/stdc++.h>
using namespace std;
#define BeGood ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define nl '\n'
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
typedef long long ll;
typedef double db;
const int N = 1e5 + 101;
const ll M = 1e13 + 7;
int n, k;
int a[N];
map<pair<int, int>, int> m;
int u[111][111];
int lol[111][111];
long long man(int id, int al){
if(al < 0){
return M;
}
if(id > n){
if(al == 0){
return 0;
}
return M;
}
if(u[id][al]){
return lol[id][al];
}
u[id][al] = 1;
long long ans = M;
int mx = 0;
for(int i = id; i <= n; ++i){
mx = max(mx, a[i]);
ans = min(ans, man(i + 1, al - 1) + mx);
lol[id][al] = ans;
}
return ans;
}
int main(){
BeGood
cin >> n >> k;
for(int i = 1; i <= n; ++i){
cin >> a[i];
}
cout << man(1, k);
return 0;
}
