#include <stdio.h>
int main() {
int n;
scanf("%d",&n);
int i;
float score;
float max=0,min=100,aver;//给max和min赋一个合理的初值,以便下面进行比较
float sum=0;
for(i=1;i<=n;i++){
scanf("%f",&score);
sum=sum+score;
if(max<score){
max=score;
}
if(min>score){
min=score;
}
}
aver=sum/n;
printf("%.2f %.2f %.2f",max,min,aver);
return 0;
}