#include<iostream>
#include<algorithm>
using namespace std;

int a[10010]; 
int main(){
	int n,m;
	cin>>n;
	int he=0,da=-1,xiao=10010;
	for(int i=0;i<n;i++){
		cin>>m;
		if(da<m){
			da=m;
		}
		if(xiao>m){
			xiao=m;
		}
		he=he+m;
		if(a[m]<1){
			a[m]++;
		}
	}
	cout<<he<<endl<<da<<endl<<xiao<<endl;
	for(int i=10000;i>=0;i--){
		if(a[i]!=0){
			cout<<i<<" ";
		}
	} 
}