/*
----------------------------------------------
	while文　入力した値の合計 while_02_goukei
----------------------------------------------
*/

#include <stdio.h>

main()
{
	int kazu,goukei,kensu;
	float heikin;
	
	goukei=0;
	kensu=0;
	
	printf("数を入れて下さい（０で終了）\n");
	printf("--->");
	scanf("%d",&kazu);
	
	while ( kazu != 0 ) {

		goukei+=kazu;
		kensu++;
		
		printf("--->");
		scanf("%d",&kazu);
	}
	
	printf("\n");

	heikin=(float)goukei/kensu;

	printf("合計＝ %d \n",goukei);
	printf("件数＝ %d \n",kensu);
	printf("平均＝ %.2f \n",heikin);
}