int main()
{
int n,i;
float a[105];
float max, min;
float avg;
scanf_s("%d",&n);
for (i = 0; i <= n ; i++)
{
scanf_s("%f", &a[i]);
}
max = 0;
min = 0;
avg = 0;
for (i = 0; i <= n ; i++)
{
if (max <= a[i])
max = a[i];
if (min >= a[i])
min = a[i];
}
float s = 0;
for (i = 0; i <= n + 1; i++)
{
s += a[i];
}
avg = s / n;
printf("%f %f %.1f", max, min, avg);
return 0;
}