#include <bits/stdc++.h> using namespace std; int a,b; int ackmann(a,b){ cin<<a<<b; if(a==0){ cout<<b+1; }else if(b==0){ cout<<ackmann(a-1;1); }else{ cout<<ackmann(a-1;ackmann(a;b-1)); } int main(){ ackmann(a,b); }