ebat' ya vse esche top

#include <iostream>

using namespace std;

void Input(int arr[], int n)
{

    cout << "\tenter array\n";
    for (int i = 0; i < n; i++)
    {
        cin >> arr[i];
    }
}
void Output(int arr[], int n)
{

    int sum = 1;

    for (int i = 0; i < n; i++)
    {
        int r = arr[i];
        int k = i;
        if (!((i + 1) % 3))
        {
            sum = sum*r;
        }
    }
    cout << "\n\tsum is:\n" << sum << endl;
}
int main()
{
    int n;
    cout << "\tEnter n:\n";
    cin >> n;
    int m;
    cout << "\tEnter n2:\n";
    cin >> m;
    int a[255];
    int b[255];
    cout << "\tArray 1:\n";
    Input(a, n);
    cout << "\tArray 2:\n";
    Input(b, m);
    cout << "\tElements of array 1 is: \n";
    Output(a, n);
    cout << "\tElements of array 2 is: \n";
    Output(b, m);
    system("pause");
}