using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;

namespace laba
{
    public class CLTerm
    {
        public string term;
        public CLTerm(string terminator)
        {
            term = terminator;
        }
        public void CLAssign(string terminator)
        {
            term = terminator;
        }
        public string ReduceTerm()
        {
            string pattern = "^.[W][x][y].$";
            Regex regexp = new Regex(pattern);
            term = regexp.Replace(term, "xyy", 1);
            return term;
        }
    }
}