package logax;
import java.util.Scanner;

public class B {
	static public class Logarithm {
		  static public double log(double a, double x) {
			   return Math.log(a) / Math.log(x);
		   }
	}

	public static void main(String[] args) {
		
		
		         Scanner sc = new Scanner(System.in); 
		         
		         System.out.println("a="); 
		         int a = sc.nextInt(); 
		         System.out.println("x="); 
		         int x = sc.nextInt();
		        
		         System.out.println("logax="+Logarithm.log(a,x)); 
		

	}

}