C++ :

#include <bits/stdc++.h>
using namespace std;
int main() {
    double h,n;
    cin >> h >> n;
    for (int i = 0; i < n; ++i) {
        double m;
        cin >> m;
        if (i == 0) cout << h << " ";
        cout << fixed << setprecision(2) << m + h << " ";
    }
    return 0;
}