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