#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 n,k;
    cin>>n>>k;
    long long int cost[n],i,sum=0;
    for(i=0;i<n;++i)
    {cin>>cost[i];
     sum+=cost[i];
    }
    if(k==0)
        cout<<sum;
    else
        {
        long long int min=100000000000;
    for(i=0;i<n;++i)
        if(cost[i]<min)
        min=cost[i];
        cout<<min;
    }
    
    return 0;
}