static void Main(string[] args)
{
Console.Write ("enter string:");
string name = Console.ReadLine();
Solver solver = new Solver();
Console.WriteLine (solver.solve (name));
}
public void solveTest()
{
Solver target = new Solver();
string question = "AABBCBBBAA";
string expected = "AAAABBBBBC";
string actual;
actual = target.solve(question);
Assert.AreEqual(expected, actual);
question = "ABCA";
expected = "AABC";
actual = target.solve(question);
Assert.AreEqual(expected, actual);
}