/*Convert the following method into a non recursive method, and include 
 * a comment in plain English explaining what it does*/
#include <stdio.h>

int foo(int arr[], int x, int y, int z)
{
    if (y >= x)
    {
        return z;
    }
    if (arr[y] % 2 == 0)
    {
        return foo(arr, x, y + 1, z + arr[y]);
    }
    return foo(arr, x, y + 1, z);
}

/*rewrite foo without using recursion*/


int main(void){
	int testArr[] = {1, 2, 3, 4, 5, 6};
	printf("%d\n",foo(testArr, 6, 0, 0));

}