1264.Workdays.cpp

#include <bits/stdc++.h>

using namespace std;

// Ashfak Hossain Evan, CSE, American International University-Bangladesh (AIUB)

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL), cout.tie(NULL);

    // Code Start From Here

    int N, M;

    cin >> N >> M;

    int sum = N * (M + 1);

    cout << sum << endl;

    return 0;
}