/*
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	 While文 最大と最小 While_03_saidai_saisho
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*/

import java.io.*;
import java.text.*;
class While_03_saidai_saisho {
	public static void main(String[] args) throws Exception {
		
		int kazu,saidai,saisho;
		int goukei=0;
		int kensu=0;
		double heikin;
		
		BufferedReader inp=new BufferedReader
			(new InputStreamReader(System.in));
		String keybd;

		System.out.print("数を入れてください（０で終了）\n");
		System.out.print("-->");
		keybd=inp.readLine();
		kazu=Integer.parseInt(keybd);
		
		saidai = saisho = kazu;
		
		while ( kazu!=0 ) {
			goukei+=kazu;
			kensu++;
			
			if ( kazu > saidai )
				saidai = kazu;
			
			if ( kazu < saisho )
				saisho = kazu;
			
			System.out.print("-->");
			keybd=inp.readLine();
			kazu=Integer.parseInt(keybd);
		}
		heikin=(double)goukei/kensu;
				
		DecimalFormat fm=new DecimalFormat("0.00");

		System.out.print("合計＝"+goukei+"\n");
		System.out.print("件数＝"+kensu+"\n");
		System.out.print("平均＝"+fm.format(heikin)+"\n");
		System.out.print("最大＝"+saidai+"\n");
		System.out.print("最小＝"+saisho+"\n");
		
	}
}