import java.util.Scanner;
public class MinMaxSumAvarage{
    public static void main(String[] args) {
		Scanner in= new Scanner(System.in);
		int N=in.nextInt();
		float[] a = new float[N];
		float max=-1000000;
		float min=1000000;
		float sum=0;
		for(int i=0;i<N;i++){
			 a[i]=in.nextFloat();
			 if(max<a[i]){
				max=a[i];
			}
			 if(min>a[i]){
				 min=a[i];
			 }
			 sum+=a[i];
		}
		float avg=0;
		float sumavg=0;
		for(int i=0;i<N;i++){
			sumavg+=a[i];
		}
		avg=sumavg/N;
		System.out.print("min=");
		System.out.printf("%.2f\n",min);
		System.out.print("max=");
		System.out.printf("%.2f\n",max);
		System.out.print("sum=");
		System.out.printf("%.2f\n",sum);
		System.out.print("avg=");
		System.out.printf("%.2f\n",avg);

	}
}