2 (viii)

#include <stdio.h>
int main ()
{
    float ban, eng, mat, phy, ict;
    scanf("%f%f%f%f%f", &ban, &eng, &mat, &phy, &ict);
    printf("%.3f", ban + eng + mat + phy + ict);
    printf("\n%.3f", (ban + eng + mat + phy + ict)/5);
    return 0;
}