gistfile1.txt

#include <stdio.h>
#include <iostream>

using namespace::std;



int mcCarthy91(int n,int & output)
{
  if(n>100)
	{
		printf("M(%d) since %d is greater than 100\n",output-10,output);
		output-=10;
		return n - 10;
	}

	else 
		{
			printf("M(M(%d)) since %d is less than 100\n",output+11,n);
			output+=11;
			return mcCarthy91(mcCarthy91(n+11,output),output);
		}
}		

int main()
{
	int n = 50;
    std::cout<<"please enter an int"<<endl;
	cin>>n;
	printf("M(%d)\n",n);
	int out = mcCarthy91(n,n);

	printf("output is %d",out);
	return 0;
}