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/*

import java.util.Scanner;

public class Bai3 {

public static void main (String[] args)

{

// cau lenh dieu kien if...else

Scanner input = new Scanner(System.in);

float a ,b;

System.out.println("Nhap so a: ");

a = input.nextFloat();

System.out.println("Nhap so b: ");

b = input.nextFloat();

if(a == 0)

{

if(b == 0)

{

System.out.println("Phuong trinh vo so nghiem");

}

else

{

System.out.println("Phuong trinh vo nghiem");

}

}

else

{

System.out.println("Phuong trinh co nghiem duy nhat la : "+ -b/a);

}

}

}

*/

/*

import java.util.Scanner;

public class Bai3

{

public static void main(String[] args)

{

Scanner input = new Scanner(System.in);

double a,b,c,x1,x2,delta;

System.out.println("Nhap so a: ");

a = input.nextDouble();

System.out.println("Nhap vao b: ");

b = input.nextDouble();

System.out.println("Nhap vao c: ");

c = input.nextDouble();

input.close();

if(a ==0)

{

if(b ==0)

{

if(c==0)

{

System.out.println("Phuong trinh vo so nghiem");

}

else

{

System.out.println("Phuong trinh vo nghiem");

}

}

else

{

System.out.println("Phuong trinh co nghiem suy nhat: "+ -c/b );

}

}

else

{

delta = b*b - 4*a*c;

if(delta <0)

{

System.out.println("Phuong trinh vo nghiem");

}

else if(delta ==0 )

{

System.out.println("Phuong trinh co nghiem kep: " + -b/(float)2*a);

}

else

{

x1 = (-b + Math.sqrt(delta))/(2*a);

x2 = (-b -Math.sqrt(delta))/(2*a);

System.out.println("Phuong trinh co hai nghiem phan biet: ");

System.out.println(x1);

System.out.println(x2);

}

}

}

}

*/

/*

import java.util.Scanner;

public class Bai3

{

public static void main(String[] args)

{

Scanner input = new Scanner(System.in);

int n = input.nextInt();

input.close();

switch(n)

{

case 1:

{

System.out.println("T");

break;

}

default :

System.out.println("Tks");

}

}

}

*/

///*

import java.util.Scanner;

public class Bai3

{

public static void main(String[] args)

{

Scanner input = new Scanner(System.in);

System.out.println("Nhap vap so nguyen n: " );

int n = input.nextInt();

input.close();

// for(int i=0;i<10;i++)

// {

// System.out.println(i);

// }

// while(true)

// {

// System.out.println("hello");

// }

String nhiPhan = "";

while(n!=0)

{

nhiPhan = (n%2) + nhiPhan;

n /= 2;

}

System.out.println("He nhi phan la: ");

System.out.println(nhiPhan);

}

}

// */

/*

import java.util.Scanner;

public class Bai3

{

public static void main(String [] args)

{

Scanner input = new Scanner(System.in);

int n =0;

try

{

System.out.println("Nhap vao so nguyen n: ");

n = input.nextInt();

}

catch(Exception e)

{

System.out.println("Nhap di lieu khong dung" );

}

finally

{

System.out.println("FINALLY");

}

System.out.println("Gia tri vua nhap la: "+ n);

input.close();

}

}

*/