value and sum finding

//value and sum finding
#include <iostream.h>
#include <conio.h>
 void main()
 {
  int a[5];//variable declaration
  int n=0;//value in an array
  clrscr();
  while(cin>>a[n]){
   n++;
   }

    int sum=0, i;
    for(i=0; i<n; i++)
    sum=sum+a[i];
    cout<<sum<<endl;
    getch();
 }