#include
void main()
{
int x,y,z;
float ave;
printf("4,4,1:\n");
scanf("%d,%d,%d",&x,&y,&z);
ave=(x+y+z)/3;
printf("3:ave=%f",ave);
}
#include
void main()
{
int x,y,z;
float ave;
printf("4,4,1:\n");
scanf("%d,%d,%d",&x,&y,&z);
ave=(x+y+z)/3;
printf("3:ave=%f",ave);
}