#include<stdio.h>
#include<stdlib.h>
int main(){
int n,i;
scanf("%d",&n);
float *score,sum,average,min,max;
score=(float*)malloc(sizeof(n*score[0]));
scanf("%f",&score[0]);
min=score[0];
max=score[0];
sum=score[0];
for(i=1;i<n;i++){
scanf("%f",&score[i]);
if(score[i]>max)max=score[i];
if(score[i]<min)min=score[i];
sum+=score[i];
}
average=sum/n;
printf("average = %.2f\n",average);
printf("max = %.2f\n",max);
printf("min = %.2f",min);
free(score);
return 0;
}