文件目录

#include <iostream>
using namespace std;
int akm(int m, int n)
{
    if (m == 0)
        return n + 1;
    else if (m > 0 && n == 0)
        return akm(m - 1, 1);
    else if (m > 0 && n > 0)
        return akm(m - 1, akm(m, n - 1));
}
int main()
{
    int m, n;
    cin >> m >> n;
    cout << akm(m, n);
    return 0;
}