/*
--------------------------------------------------
	while文　入力を繰り返すプログラム	while_02_goukei
--------------------------------------------------
*/
#include <stdio.h>

main()
{
	int kazu,goukei,kosu;
	float heikin;
	
	goukei = 0;
	kosu = 0;
	
	printf("数を入れてください（０で終了）\n");
	printf("--->");
	scanf("%d",&kazu);

	while ( kazu != 0 ) {

		goukei=goukei+kazu;
		kosu++;
		
		printf("--->");
		scanf("%d",&kazu);
	}
	
	heikin=(float)goukei/kosu;

	printf("　合計＝%d \n",goukei);
	printf("　件数＝%d \n",kosu);
	printf("　平均＝%.1f \n",heikin);
 	
}