# 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)<<endl; return 0; }