C++ :

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

int main() {
	int n;
	double h,a[110];
	cin>>h>>n;
	for(int i = 1;i <= n;i++){
		cin>>a[i];
	}
	
	cout<<fixed<<setprecision(2)<<h<<" ";
	for(int i = 1;i <= n;i++){
		cout<<fixed<<setprecision(2)<<h+a[i]<<" ";
	}
	
	
	return 0;
}