Top-Level statements must precede namespace and type declarations

public class TEst {
    public int calc(int x, int y)
    {
        return x + y;
    }

    public void calc(int x, int y, out int area) { area = x + y; }
}



int res = new TEst().calc(10, 20);

int res2;

new TEst().calc(10, 20,out  res2);

Console.WriteLine(res + res2);

public class TEst {
    public int calc(int x, int y)
    {
        return x + y;
    }

    public void calc(int x, int y, out int area) { area = x + y; }
}



int res = new TEst().calc(10, 20);

int res2;

new TEst().calc(10, 20,out  res2);

Console.WriteLine(res + res2);

public class TEst
{
    public int calc(int x, int y)
    {
        return x + y;
    }

    public void calc(int x, int y, out int area) { area = x + y; }
}

class Program
{
    static void Main()
    {
        int res = new TEst().calc(10, 20);

        int res2;
        new TEst().calc(10, 20, out res2);

        Console.WriteLine(res + res2);
    }
}

public class TEst
{
    public int calc(int x, int y)
    {
        return x + y;
    }

    public void calc(int x, int y, out int area) { area = x + y; }
}

class Program
{
    static void Main()
    {
        int res = new TEst().calc(10, 20);

        int res2;
        new TEst().calc(10, 20, out res2);

        Console.WriteLine(res + res2);
    }
}