#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 n,a[100],maxn=0,minn=100; double ave,tot; cin>>n; for(int i=1;i<=n;i++){ cin>>a[i]; tot+=a[i]; if(maxn<a[i]) maxn=a[i]; if(minn>a[i]) minn=a[i]; } ave=tot/n; printf("%.0lf %.2f %d %d\n",tot,ave,maxn,minn); return 0; }