#include<stdio.h>
#include<stdlib.h>
int main()
{
int n, i;
float sum = 0.0, max = 0.0, min = 100.00;
scanf("%d", &n);
for(i = 0; i < n; i++)
{
float *t;
t = (float*)malloc(sizeof(float));
scanf("%f", t);
sum = sum + *t;
if(*t > max)
max = *t;
if(*t < min)
min = *t;
free(t);
}
printf("average = %.2f\n", sum / n);
printf("max = %.2f\n", max);
printf("min = %.2f\n", min);
return 0;
}