/*
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    While文 合計/平均/最大/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,goukei,kensu,saidai,saisho;
		double heikin;
	
		DecimalFormat fm=new DecimalFormat("0.00");
		
		goukei=kensu=0;
		
		BufferedReader inp=new BufferedReader
			(new InputStreamReader(System.in));
		String keybd;
		
		System.out.print("数を入れて下さい（０で終了）\n");
		System.out.print("-->");
		keybd=inp.readLine();
		kazu=Integer.parseInt(keybd);
		
		saidai=saisho=kazu;	// 1件目の入力を最大と最小に入れる
		
		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);
		}

		System.out.print("合計＝"+goukei+"\n");
		System.out.print("件数＝"+kensu+"\n");

		heikin=(double)goukei/kensu;
		System.out.print("平均＝"+fm.format(heikin)+"\n");

		System.out.print("最大＝"+saidai+"\n");
		System.out.print("最小＝"+saisho+"\n");
	}
}