nim

import java.util.Scanner;
public class NimGame {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
//		System.out.println("Who starts 1 or 2");
//		int x = scan.nextInt();
//		if (x==1){
		int matches = 21;
		while (matches>=0){
			System.out.println("p1 how many would you like to take?");
			int take = scan.nextInt();
			while(take>3 || take<1){
				System.out.println("p1 how many would you like to take this time not more then 3?");
				take = scan.nextInt();
			}
			matches= matches-take;
			System.out.println(matches+" matches left");
			if(matches==0){
				System.out.println("p1 win");
				break;
			}

			System.out.println("p2 how many would you like to take?");
			int take1 = scan.nextInt();
			while(take1>3 || take1<1){
				System.out.println("p2 how many would you like to take this time not more then 3?");
				take1 = scan.nextInt();

			}
			matches= matches-take1;
			System.out.println(matches+" matches left");


			if(matches==0){
				System.out.println("p2 win");
				break;

			}
		}


	}

//	else {
//	int matches1=21;
//	while (matches1>=0){
//	System.out.println("p2 how many would you like to take? ");
//	int take = scan.nextInt();
//	matches1= matches1-take;
//	System.out.println(matches1+" matches left");
//	if(matches1==0){
//	System.out.println("p2 win");
//	break;
//	}

//	System.out.println("p1 how many would you like to take? ");
//	int take1 = scan.nextInt();
//	matches1= matches1-take1;
//	System.out.println(matches1+" matches left");

//	if(matches1==0){
//	System.out.println("p1 win");
//	break;

//	}
//	}

//	}
//	}
}