#include<bits/stdc++.h>
using namespace std;
int re,n;
double a[1000000],total;
char c;
int read(){
	re=0;
	c=getchar();
	while(c<'0'||c>'9'){
		c=getchar();
	}
	while(c>='0'&&c<='9'){
		re=(re<<3)+(re<<1)+(c^48);
		c=getchar();
	}
	return re;
}
int main(){
	n=read();
	for(int i = 0;i<n;i++){
		scanf("%lf",&a[i]);
		total+=a[i];
	}
	printf("%.10lf",total/(n+1)*2);
	for(int i = 1;i<n;i++){
		putchar(' ');
		printf("%.10lf",total/(n+1));
	}
	return 0;
}