#include <stdio.h>
#include <math.h>

int main()
{
	int n;
	int x[100000];
	int sum = 0;
	int i;
	double a;
	double d;

	scanf("%d", &n);

	for(i = 0; i < n; i++)
	{
		scanf("%d", &x[i]);
	}

	for(i = 0; i < n; i++)
	{
		sum = sum + x[i];
	}
	a = (double)sum / (double)n;
	printf("%f\n", a);

	for(i = 0; i < n; i++)
	{
		d = 50.0 - (((double)a-(double)x[i]) / 2.0);
		printf("%.0f\n",floor(d));
	}

	return 0;
}