#include<iostream>
using namespace std;

int main(){
    int n,k;
    int p[1000];
    cin>>n>>k;
    for(int i=0;i<n;i++){
        cin>>p[i];
    }
    int tmp;
    for (int i=0; i<n; i++) {
        for (int j=i+1; j<n; j++) {
            if (p[i] > p[j]) {
                tmp =  p[i];
                p[i] = p[j];
                p[j] = tmp;
            }
        }
    }
    int t;
    for(int i=0;i<k;i++){
        total=total+p[i];
    }
    cout<<t<< endl;

}
