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