Odd/Even - do/while

# include <iostream>
using namespace std;
#include <iomanip>
#include <math.h>
#include <cmath>
#include <string>
int main()
{
    int n;
    cin >> n;
    int scoreeven = 0;
    int scoreodd = 0;
    int temp;
    int i = 0;
    do
    {
        cin >> temp;
        if (i % 2 == 0)
        {
            scoreeven += temp;
        }
        else
        {
            scoreodd += temp;
        }
        i += 1;
    } while (i <= n-1);
    if (scoreeven != scoreodd)
    {
        cout << "No" << endl;
        cout << "Diff = " << abs(scoreeven - scoreodd) << endl;
    }
    else
    {
        cout << "Yes" << endl;
        cout << "Sum = " << scoreeven << endl;
    }
}