#include<stdio.h>
int main(){
double sum = 0;
int n, h = 0, l = 100, x;
scanf("%d", &n);
for(int i = 0; i < n; i++){
scanf("%d", &x);
if(h < x) h = x;
if(l > x) l = x;
sum += x;
}
printf("%d\n%d\n%.2f", h, l, sum / n);
return 0;
}
#include<stdio.h>
int main(){
double sum = 0;
int n, h = 0, l = 100, x;
scanf("%d", &n);
for(int i = 0; i < n; i++){
scanf("%d", &x);
if(h < x) h = x;
if(l > x) l = x;
sum += x;
}
printf("%d\n%d\n%.2f", h, l, sum / n);
return 0;
}