#include <stdio.h>
float fnAvg(float fScore1[5]);
float fnAvg(float fScore1[5])
{
float fSum=0;
int i;
for(i=0;i<5;i++)
fSum=fSum+fScore1[i];
return fSum/5;
}
void main()
{
int i;
float fScore[5],fAvg;
for(i=0;i<5;i++)
scanf("%f",&fScore[i]);
fAvg=fnAvg(fScore);
printf("\n the avg of score is %f",fAvg);
}