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import java.util.Scanner;

/**

* Converts any Binary number to an Octal Number

*

* @author Zachary Jones

*

*/

public class BinaryToOctal {

/**

* Main method

*

* @param args Command line arguments

*/

public static void main(String args[]) {

Scanner sc = new Scanner(System.in);

int b = sc.nextInt();

System.out.println("Octal equivalent: " + convertBinaryToOctal(b));

sc.close();

}

/**

* This method converts a binary number to

* an octal number.

*

* @param b The binary number

* @return The octal number

*/

public static int convertBinaryToOctal(int b) {

int o = 0, r=0, j =1 ;

while(b!=0)

{

r = b % 10;

o = o + r * j;

j = j * 2;

b = b / 10;

}

return o;

}

}