#include<stdio.h>
int main()
{
    int n,
    scanf("%d", &n);
    if(n<=0)
    {
        printf("Invalid input\n");
        return 0;
    }
    int scores[n];
    for(int i=0;i<n;i++)
    {
        scanf("%d",&scores[i]);
        if(scores[i]<0 || scores[i]>100)
        {
            printf("invalid input\n");
            return 0;
        }
    }
    int max=scores[0], min=scores[0] ,sum=0;
    for(int i=0;i<n;i++)
    {
        if(scores[i]>max) max=scores[i];
        if(scores[i]<min) min=scores[i];
        sum+=scores[i];
    }
    printf("%d\n%d\n%.2f",max,min,(float)sum/n);
    return 0;
}