#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;
}
/**************************************************************
	Problem: 2085
	User: linzihang
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/