#include <stdio.h>

int main()
{
	int ten[5], i = 0;
	int sum = 0, ninzu = 5;
	double avg;

	printf("点数\n");
	while (i < 5) {
		printf ("%d人目 > ", i + 1);
		scanf("%d", &ten[i]);
		i++;
	}

	i = 0;	// forを使えって話
	while (i < 5) {
		sum += ten[i];
		i++;
	}

	avg = (double)sum / ninzu;

	printf("合計点: %d\n", sum);
	printf("平均点: %f\n", avg);

	return 0;
}