public class person {

	static private String name = "";
	static boolean isOnShip;
	public String city;
	
	public person(String name){this.name = name;}
	public void moveCity(){
		// A->B, B->A
		if(isOnShip != true)
			return;
		
		if(city == "A"){
			city = "B";
	
		}else if(city == "B"){
			city = "A";
		}
		isOnShip = false;

	System.out.println(name + "���/는 ������ "+city+"���������");
	}
}

public class Raton {

	private static String city = "A";
	
	
	public static void main(String[] args) {
		// A -> B
//		System.out.println(city);
//		city = "B";
//		System.out.println(city);
//		
//		// A->B, B->A
//		if(city == "A"){
//			city = "B";
//		}else if(city == "B"){
//			city = "A";
//		}
//		System.out.println(city);
//		
		// 2������ 배
		person Luke = new person("루���");
		person Raton = new person("���������");
		person Bad = new person("��������������");
		
		Luke.city = "A";
		Raton.city = "A";
		Bad.city = "A";

		Luke.isOnShip = true;
		Raton.isOnShip = true;
		
		Luke.moveCity();
		Raton.moveCity();
		
		Raton.moveCity();
		
	}
}

#include<iostream>
using namespace std;

void main(){
	char location1 = 'A';
	char location2 = 'A';
	char location3 = 'A';
	
	while (1) {
	cout << "������������ ������ ������ " << location1 << endl;
	cout << "루������ ������ ������ " << location2 << endl;
	cout << "����� ������������ ������ ������ " << location3 << endl;

	int i1 = -1, i2 = -1;
		
	cout << "배��� ��� ���람���? (���������:1, 루���:2, ��������������:3, ��:0) ";
		cin >> i1;
		cin >> i2;
		if(i1 == 1 && i2 == 2){
			location1 = location1=='B'?'A':'B';
			location2 = location2=='B'?'A':'B';
		}
		if (i1 == 2 && i2 == 3){
			location2 = location2=='B'?'A':'B';
			location3 = location3=='B'?'A':'B';
		}
		if (i1 == 1 && i2 == 3){
			location1 = location1=='B'?'A':'B';
			location3 = location3=='B'?'A':'B';
		}
		if (i1 == 1 && i2 == 0) location1 = location1=='B'?'A':'B';
		if (i1 == 2 && i2 == 0) location2 = location2=='B'?'A':'B';
		if (i1 == 3 && i2 == 0) location3 = location3=='B'?'A':'B';
		if (location1 != location2 && location2 == location3) {
			cout << "루������ ������������ ㅡㅡ" << endl;
			return;
		}
	cout << endl;
	}
}

#include <stdio.h>


typedef struct _h {
	int id;
} human;

typedef struct _t {
	human h[3];
} town;

int main(int argc, const char **argv) {
	human raten, ruke, bad, pl1, pl2, pl3;
	town a, b;
	
	a.h[0] = raten;
	a.h[1] = ruke;
	a.h[2] = bad;
	
	b.h[0] =a.h[0];
	b.h[1]=a.h[1];
	a.h[0]=pl1;
	a.h[1]=pl2;
	
	a.h[0]=b.h[0];
	b.h[0]=pl1;
	
	b.h[0]=a.h[0];
	b.h[2]=a.h[2];
	a.h[0]=pl1;
	a.h[2]=pl3;
	
	return 0;
}

public class Ship {
	
	public int maxNum;
	public int cur;
	
	public Ship(int n){
		maxNum = n;
		cur = 0;
	}
	public void take(){
		cur++;
	}
	public void getOff(){
		cur--;
	}
	public boolean cross(){
		return (maxNum >= cur);
	}
}

public class BadUncle {
	public boolean location;
	
	public BadUncle(){location = true;}
	
	public void ThrowRook(ProfessorR r, Child c) {
		if( r.location != c.location && location == c.location )
			killRook();
	}

	public void crossRiver() {
		if(location) location = false;
		else location = true;
	}
	
	public void printLocation() {
		String str = (location)? "A" : "B";
		System.out.println("Uncle loc : " + str);
	}

	private void killRook() {
		System.out.println("루��� ������ ��");		
	}	

}

public class Child {
	public boolean location;
	
	public Child() {
		location = true;
	}
	
	public void crossRiver(ProfessorR r) {
		if( r.location == location ) {
			if(location) {
				location = false;
				r.location = false;
			}
			else {
				location = true;
				r.location = true;
			}
		}
	}
	
	public void printLocation() {
		String str = (location)? "A" : "B";
		System.out.println("Child loc : " + str);
	}
}

public class ProfessorR {
	public boolean location;
	
	public ProfessorR() {
		location = true;
	}
	
	public void crossRiver() {
		if(location) location = false;
		else location = true;
	}
	
	public void printLocation() {
		String str = (location)? "A" : "B";
		System.out.println("Professor loc : " + str);
	}
	
	public static void main(String[] args) {
		ProfessorR test = new ProfessorR();
		Child rook = new Child();
		test.printLocation();
		test.crossRiver();
		test.printLocation();
		test.crossRiver();
		test.printLocation();
		rook.printLocation();
		rook.crossRiver(test);
		rook.printLocation();
		test.printLocation();
		
		BadUncle b = new BadUncle();
		
		test.crossRiver();
		b.crossRiver();
		test.printLocation();
		b.printLocation();
		rook.printLocation();
		b.ThrowRook(test, rook);
		
	}


}