text: # #include <stdio.h>
  
  long f(long x)
  {
      long y = x * 2;
      return y;
  } 
  
  long g (long x)
  {
      long y = x + 1;
      return y; 
  }
  
  int main(int argc, char* argv[])
  {
      long x = (long) argv[1];
      long y = g(f(x));
  
      printf("%ld\n", y);
  }