#include<bits/stdc++.h>
using namespace std;
using ll = long long;

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<endl
#define p2(s, t) cout << (s) << " " << (t) << endl
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << endl

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    // input
    ll N;
    cin >> N;

    double B;
    cin >> B;

    vector<double> A(N);
    FOR(i, 0, N){
        cin >> A.at(i);
    }

    double bi = 0;
    for(double a : A){
        bi += a * pow(B, a-1);
    }
    cout << setprecision(20);
    p(bi);

    double se = 0;
    for(double a : A){
        if(a==-1){
            se += log(B);
        }else{
            se += (1/(a+1)) * pow(B, a+1);
        }
    }
    cout << setprecision(20);
    p(se);

    return 0;
}