#include<stdio.h> int main() { int n = 0; double a[100]; double max,min,sum =0.0; scanf("%d",&n); for(int i = 0;i<n;i++) scanf("%lf ",&a[i]); max = min =a[0]; for(int i=0;i<n;i++) { if(max<a[i]) max = a[i]; if(min>a[i]) min = a[i]; sum+=a[i]; } printf("%.2lf %.2lf %.2lf",max,min,sum/n); return 0 ; }