#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a[101],s=0,i,x=0,y=100; double f,n; cin>>n; for(i=1;i<=n;i++){ cin>>a[i]; s+=a[i]; if(a[i]>x){ x=a[i]; } if(a[i]<y){ y=a[i]; } } cout<<s<<endl; f=s/n; printf("%.2lf\n",f); cout<<x<<endl<<y; return 0; }