Artem

#include <iostream>
using namespace std;

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

    int* a = new int[n];
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    int* b = new int[m];
    for (int i = 0; i < m; i++) {
        cin >> b[i];
    }

    int k = 0;

    for (int i = 0; i < 8; i++)
    {
        for (int j = 0; j < 8; j++)
        {
            if (a[i] == b[j])
            {
                k++;
            }
        }
    }
    cout << (n - k) + (m - k);
}