public class RussianSpeedLimits
{
    public int getCurrentLimit(String[] signs)
    {
        int numCities = 0;
        //count cities
        for(int x = 0; x < signs.length; x++)
             if(signs[x].equals("city")) ++numCities;
            
        
        if(signs.length == 1 && isNumber(signs[0])) return Integer.parseInt(signs[0]);
        else if(signs.length == 1 && insideCity(numCities)) return 60;
        else if(signs.length == 1) return 90;
            
        if(isNumber(signs[signs.length - 1])) return Integer.parseInt(signs[signs.length - 1]);
        else if (insideCity(numCities)) return 60;
        else return 90;
    }
    private boolean insideCity(int numCities)
    {
        if(numCities % 2 == 0) System.out.println("Inside City!");
        return (numCities % 2 == 0 ? true : false);
    }
    private boolean isNumber(String n)
    { //go easy on me with this method.... (>_<)
        try
        {
            Integer.parseInt(n);
            return true;
        }
        catch(Exception e)
        {
            return false;
        }
    }
}

using System;

namespace SwitchTest
{
    class Program
    {
		public static void Main(String[] args)
		{
			Program p = new Program();
			Console.WriteLine("Current speed limit is: " + p.GetSpeedLimit(args));
		}

		const int defCity = 60;
		const int defHighway = 90;
		bool inCity;
		int currentSpeed;

		private int GetSpeedLimit(String[] signs)
		{

			inCity = true;
			currentSpeed = defCity;
			foreach (String s in signs)
			{
				switch (s)
				{
					case "city":
						ToggleCity();
						SetToDefaultSpeed();
						break;
					case "default":
						SetToDefaultSpeed();
						break;
					default:
						try
						{
							currentSpeed = int.Parse(s);
						}
						catch (Exception) // bad style, but assuming valid input I shouldn't need try-catch anyways
						{
							Console.WriteLine(String.Format(@"Invalid input received, skipping.  Input was: {0}", s));
						}
						break;
				}
			}
			return currentSpeed;
		}

		private void SetToDefaultSpeed()
		{
			if (inCity)
				currentSpeed = defCity;
			else
				currentSpeed = defHighway;
		}

		private void ToggleCity()
		{
			inCity = !inCity;
		}
    }
}

public int getCurrentLimit(String[] signs) {
   if(signs.length == 1) {
      if(isNumeric(signs[0]))
         return Integer.parseInt(signs[0]);
      else if(signs[0].equals("city"))
         return 60;
   } else {
      String lastEntry = signs[signs.length - 1];
      if(isNumeric(lastEntry))
         return Integer.parseInt(lastEntry);
      else if(isEven(find("city", signs)))
         return 60;
   }
   return 90;
}

private boolean isNumeric(String str) {
   str = str.trim();
   for(char c : str.toCharArray())
      if((c < 0x30 || c > 0x40) && c != 0x2D && c != 2B)
         return false;
   return true;
}

private int find(Object val, Object[] arr) {
   int found = 0;
   for(Object val2 : arr)
      if(val.equals(val2))
         found++;
   return found;
}

private boolean isEven(int num) {
   return num % 2 == 0;
}