import java.util.Scanner;
public class NimAdvisorAdvanced{
	public static int times;
	public static void main (String[]args){
		Scanner nim = new Scanner(System.in);
		int matches = 1;
		System.out.println("Welcome to the advanced version of Nim Advisor.");
		sleep(1600);
		System.out.println("Let me take some information about the specific game you are playing.");
		sleep(2000);
		System.out.println("First, tell me what is the maximum number of matches\na player can take every turn.");
		int possTake;
		while(true){
			possTake = Integer.parseInt(nim.nextLine());
			sleep(300);
			if(possTake<=1){
				System.out.println("Invalid input.");
			}
			else{
				break;
			}
		}
		System.out.println("Now, tell me, the one who takes the last match...");
		sleep(1000);
		System.out.println("Wins / Loses");
		String winCond;
//		=========================================================================================================================
//		Who takes the last match wins.
//		=========================================================================================================================
		while (true){
			winCond = nim.nextLine();
			sleep(300);
			if (winCond.toLowerCase().equals("wins")){
				while(true){
					System.out.println("Tell me how many matches are left when your turn comes.");
					matches = nim.nextInt();
					sleep(300);
					if(matches<0){
						System.out.println("Invalid input, again,");
						sleep(1000);
					}
					else if(matches==0){
						System.out.println("In that case you lost. Goodbye.");
						return;
					}
					else if (matches==1){
						System.out.println("You can only take 1 match, therefore you won. Goodbye.");
						return;
					}
					else{
						int take = matches%(possTake+1);
						switch (take){
						case 0: System.out.println("you are currently in a losing situation, unless your opponent fails,\nyou will lose. Take between 1-"+possTake+" matches.");
						sleep(3200);
						break;
						case 1: System.out.println("Take " + take + " match");
						sleep(1000);
						break;
						default: System.out.println("Take " + take + " matches");
						sleep(1000);
						break;
						}
					}
				}

			}
//			=========================================================================================================================
//			Who takes the last match loses.
//			=========================================================================================================================
			else if (winCond.toLowerCase().equals("loses")){
				while(true){
					System.out.println("Tell me how many matches are left when your turn comes.");
					matches = nim.nextInt();
					sleep(300);
					if(matches<0){
						System.out.println("Invalid input, again,");
						sleep(1000);
					}
					else if(matches==0){
						System.out.println("In that case you won. Goodbye.");
						return;
					}
					else if (matches==1){
						System.out.println("You can only take 1 match, therefore you lost. Goodbye.");
						return;
					}
					else{
						int p = matches/(possTake+1);
						if (matches%(possTake+1)==0){
							p = p-1;
						}
						int should = (possTake+1)*p + 1;
						int take = matches-should;
						switch (take){
						case 0: System.out.println("you are currently in a losing situation, unless your opponent fails,\nyou will lose. Take between 1-"+possTake+" matches.");
						sleep(3200);
						break;
						case 1: System.out.println("Take " + take + " match");
						sleep(1000);
						break;
						default: System.out.println("Take " + take + " matches");
						sleep(1000);
						break;
						}
					}
				}
			}
			else{
				System.out.println("Invalid input.");
			}
		}
	}
	public static void sleep (int times){
		try {
			Thread.sleep(times);
		}
		catch(InterruptedException e){
			System.out.println("got interrupted!");
		}
	}
}