#include <iostream>
using namespace std;

void one (int x)
{   x+=1;
   cout << "x = " << x << endl;
}

void two (int x) 
{
   int ones = 10, y = 20;
   ones -=1;
   one(y);
}						

int main (void) 
{
   int a = 1, b = 2;
   two(b);
}