#include<stdio.h>
int main()
{
int arr[7] = { 0 };
int i = 0;
int j = 0;
int max = 0;
int min = 0;
while (scanf("%d", &arr[i]) != EOF)
{
if (i == 0)//为了锁定max min的值,不加这个判断条件的话,下一次进来又会刷新max和min的值
{
max = arr[0];
min = arr[0];
}
if (max < arr[i])
{
max = arr[i];
}
if (min > arr[i])
{
min = arr[i];
}
i++;
if (i == 7)//如果i等于7说明一组数据已经输入完了,可以进行计算了
{
int sum = 0;
float average = 0.0;
i = 0;//把i置0是为了方便下一组数据的录入
for (j = 0; j < 7; j++)
{
sum = sum + arr[j];
}
average = (sum - max - min) / 5.0;
printf("%.2f\n", average);
}
}
return 0;
}