#include <stdio.h>
int sum_even_numbers(int *ptr, int n) {
// Your logic here
int *end = ptr + n;
int sum = 0;
while(ptr < end)
{
if(*ptr%2 == 0)
sum += *ptr;
ptr++;
}
return sum;
return 0;
}
int main() {
int n;
scanf("%d", &n);
int arr[100];
for (int i = 0; i < n; i++) {
scanf("%d", &arr[i]);
}
int result = sum_even_numbers(arr, n);
printf("Sum = %d", result);
return 0;
}