#include <stdio.h>
int score_list[100]; //最大100個までの点数を格納する配列
int size = 0; //score_listに格納されている点数の個数
void record(int score) 
{
	score_list[size] = score;
	size++;
}
double average(void) 
{
	int ans,sum=0,i;
	for(i = 0; i < size + 1 ; i++)
	{
		sum += score_list[i];
	}
	ans = sum / size;
	return ans;
}
int main(void) 
{
	int i, score;
	for( i = 0; i < 5; i++ ) 
	{
		scanf("%d", &score);
		printf("%d人目：%d点¥n", i+1, score);
		record(score);
	}
	printf("平均点：%lf点¥n", average());
	return 0;
}
 

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