import java.io.*;
import java.lang.*;

public class DecimalToOctal {
	public static void main(String[] args) throws IOException{
		BufferedReader buff = new BufferedReader(new InputStreamReader(System.in));
		System.out.println("Enter the decimal number:");
		String deci = buff.readLine();
		int value = Integer.parseInt(deci);
		String str = Integer.toString(value,8);
		System.out.println("octal:=" + str);
	}
}