10. ODD EVEN SUM

#include <iostream>
#include <cmath>
using namespace std;

int main()
{
    int n;
    cin >> n;

    int evenSum = 0;
    int oddSum = 0;
    for (int i = 1; i <= n; i++) {
        int num;
 		cin >> num;
        if (i % 2 == 0)
		{
            evenSum += num;
        }
        else
		{
            oddSum += num;
        }
    }

    int result = abs(evenSum - oddSum);
    if (evenSum == oddSum) {
        cout << "Yes" << endl << "Sum = " << evenSum;
    }
    else {
        cout << "No" << endl << "Diff = " << result;
    }

    return 0;
}