#include <stdio.h>

void main() 
{
    int a,b,c,d,e;
    float sum,aver;
    a=87;b=69;c=92;
    d=75;e=97;
    sum=a+b+c+d+e;
    aver=sum/5;
	printf("average=%f\n\n",aver);
}