struct Complex
{
    float Real;
    float Imag;
}

void Swap( ref int a, ref int b )
{
    int tmp;
    tmp = a;
    a = b;
    b = tmp;
    return;
}

Complex Add( Complex a, Complex b )
{
    Complex retval;
    retval = new Complex();
    retval.Real = a.Real + b.Real;
    retval.Imag = a.Imag + b.Imag;
    
    return retval;
}

int Max( int a, int b )
{
    if ( a > b )
    {
       return a;
    }
    
    return b;
}

void Main()
{
    float Square( float val )
    {
        return val ** 2.0;
    }
    float num;
    
    num = 6.480740;
    print_float( num );
    print_str( " squared is " );
    print_float( Square( num ) );
    return;
}