#include<stdio.h>
#include<malloc.h>
int main(void)
{
int n;
scanf("%d",&n);
double *score=(double *)malloc(sizeof(double)*n);
for(int i=0;i<n;i++)
scanf("%lf",&score[i]);
double max=score[0],min=score[0],result=0;
for(int i=0;i<n;i++)
{
max=max>score[i]?max:score[i];//求最大值
min=min<score[i]?min:score[i];//求最小值
result+=score[i];//统计总分
}
printf("%.2f %.2f %.2f",max,min,result/n);
return 0;
}