#include<bits/stdc++.h>
typedef long long ll;
using namespace std;
int INF = 1e9;
int MOD = 1000000007;
main(){
    int N,B;
    double A[10],suma = 0,sumb = 0;
    cin >> N >> B;
    for(int i = 0;i < N;i++)cin >> A[i];
    for(int i = 0;i < N;i++)suma += A[i] * pow(B,A[i]-1);
    for(int i = 0;i < N;i++){
        if(A[i] == -1.0){
            sumb += log(B);
        }else{
            sumb += 1/(A[i]+1) * pow(B,A[i]+1);
        }
    }
    cout << suma << endl;
    cout << sumb << endl;
}