Program to calculate addition of five numbers in c

/* addition of five number*/
# include <stdio.h>
void main ()
{
int i=0,a ;
int sum =0 ;
clrscr () ;
while ( i < 5 )
{
printf ("/n enter a number :") ;
scanf ("%d", & a) ;
sum =sum+a ;
i++ ;
}
printf ("/n sum =%d",sum) ;
getch () ;
}