#include <iostream>
using namespace std;
int a=10;
int go(int b)
{
if(b<=4)
return b;
else
return go(b+1)*go(b-2)-(b*2);
++a;
cout<<a;
return -1;
}
int main() {
cout << "go(2) returns " << go(2);
// your code goes here
return 0;
}
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