E-03.sac

use ScalarArith: all;
use StdIO: all;

int twice( int x)
{
  return( 2 * x);
}

double twice( double x)
{
  return( 2.0 * x);
}

int main()
{
  a = twice( 5);
  print(a);

  b = twice( 5.9);
  print(b);

  return(0);
}