/*
 * Tests the ?: operator and the string concatenation
 */

using System;
class X {
	static int Main (string [] args)
	{
		string a = "hello";
		string b = "1";
		string c = a + b;
		string d = a + 1;
		string y;
		
		if (c != d)
			return 1;
		if (d != (a + b))
			return 2;
		if (d != x (a, b))
			return 3;
		if (d != x (a, 1))
			return 4;

		y = c == d ? "equal" : "not-equal";
		if (y != "equal")
			return 5;
		y = b == a ? "oops" : "nice";
		if (y != "nice")
			return 6;
		
		Console.WriteLine (c);
		return 0;
	}

	static string s (string a, int o)
	{
		return a + o;
	}
	static string x (string s, object o)
	{
		return s + o;
	}

}