/***********************************************
	 while•Ά(3)@Ε‘ε‚ƍŏ¬
***********************************************/
import java.util.*;

public class While_03_saidai_saisho {
	public static void main(String[] args) {
		
		Scanner sc=new Scanner(System.in);
		
		int kazu;
		int goukei=0,kensu=0,saidai,saisho;
		double heikin;
		
		System.out.print("”‚π“ό‚κ‚Δ‰Ί‚³‚’i0‚ŏI—Ήj\n¨");
		kazu=sc.nextInt();
		
		saidai=saisho=kazu;
		
		while ( kazu != 0 ) {
		
			goukei+=kazu;
			kensu++;
			
			if ( kazu > saidai )
				saidai=kazu;
					
			if ( kazu < saisho )
				saisho=kazu;
			
			System.out.print("¨");
			kazu=sc.nextInt();
		}
		
		System.out.print("\n");
		System.out.print("‡Œv"+goukei+"\n");
		System.out.print("Œ”"+kensu+"\n");
		
		heikin=(double)goukei/kensu;
		System.out.print("•½‹Ο"+heikin+"\n");
		
		System.out.print("Ε‘偁"+saidai+"\n");
		System.out.print("Ε¬"+saisho+"\n");
	}

}