#include
double fun(int a[],int n,int *max,int *min)
{int i,s;
*max=*min=s=a[0];
for(i=1;i {if(a[i]>*max)*max=a[i];
if(a[i]<*min)*min=a[i];
s+=a[i];
}
return (float)s/n;
}
int main()
{int n,max,min,i,a[100];
float av;
scanf("%d",&n);
for(i=0;i scanf("%d,",&a[i]);
scanf("%d",&a[i]);
av=fun(a,n,&max,&min);
printf("%d\n%d\n%f\n",max,min,av);
return 0;
}
