/*
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	while文　 合計、平均、件数を求めるプログラム
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*/
#include <stdio.h>
main()
{
	int kazu;
	int gokei,kensu;
	float heikin;
	
	gokei=0;
	kensu=0;
	
	printf("数を入れて下さい（０で終了）\n");
	printf("---> ");
	scanf("%d",&kazu);
	
	while ( kazu!=0 ) {

		gokei+=kazu;
		kensu++;
		
		printf("---> ");
		scanf("%d",&kazu);
	}
	
	printf("\n");
	printf("　合計＝%d \n",gokei);
	printf("　件数＝%d \n",kensu);
	
	heikin = (float)gokei / kensu;
	
	printf("　平均＝%.2f \n",heikin);
		
}