Program to calculate sum of an array of 5 element in C

/* sum of an array */
# include <stdio.h>
void main ()
{
int a[5] , i ;
int sum = 0 ;
clrscr () ;
for ( i=0 ; i<5 ; i++ )
{
printf ("\n Enter a number:") ;
scanf ("%d", & a[i]) ;
}
for ( i=0 ; i<5 ; i++ )
sum = sum + a[i] ;
printf ("\n sum = %d", sum) ;
getch () ;
}