#include <stdio.h>
void main()
{
	int n;
	scanf("%d",&n);
	int i,a[n],sum=0,j;
	for(i=0;i<n;i++){
		scanf("%d",&a[i]);
		sum+=a[i];
	}
	float avg=(float)sum/n;
	for(i = 0;i < n - 1;i++){
  		int t = i;
		for(j = i + 1;j < n;j++){
			if(a[j] > a[t])
				t = j;
		}
		if(t != i){
			int temp = a[i];
			a[i] = a[t];
			a[t] = temp;
		} 		
	}
	printf("%d\n%.2f\n",sum,avg);
	for(i=0;i<n;i++){
		printf("%d ",a[i]);
	}
}
/**************************************************************
	Problem: 1175
	User: admin
	Language: C
	Result: Accepted
	Time:11 ms
	Memory:1144 kb
****************************************************************/