sd

#include<bits/stdc++.h> 
using namespace std; 
int main() { 
int n; 
cin >> n; 
int a[n]; 
int max = 0; 
int min = 9999999999; 
double b = 0; 
for (int i = 0; i < n; i++) { 
 cin >> a[i]; 
} 
for (int i = 0; i < n; i++) { 
 b = b + a[i]; 
 if (a[i] > max) { 
  max = a[i]; 
 } 
 if (a[i] < min) { 
  min = a[i]; 
 } 
} 
cout << min << " " << max << " "; 
printf("%.3f", b / n); 
return 0; 
}