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