#include<stdio.h>
#define N 105
int main(){
	int n;
	int min,max;
	int sum=0;
	int a[N];
	scanf("%d",&n);
	for(int i=0;i<n;i++){
		scanf("%d",&a[i]);
		if(i==0){
			min=max=a[i];
		}
		if(min>a[i]) min=a[i];
		if(max<a[i]) max=a[i];
		sum+=a[i];
	}
	printf("%d\n%d\n%.2f",max,min,sum*1.0/n);
	return 0;
}