/*package whatever //do not write package name here */

import java.io.*;
import java.math.BigInteger;
import java.util.Scanner;


class Main {
	public static void main (String[] args) {
		Scanner in=new Scanner(System.in);
		int a,b,t;
		while(in.hasNext())
		{
		    t=in.nextInt();
		    a=in.nextInt();
		    b=in.nextInt();
		   System.out.print("("+t+"^"+a+"-1)/("+t+"^"+b+"-1) ");
		  if(Math.log10(t)*(a-b)>=100 || t==1 || a<b || a%b!=0)
		      System.out.println("is not an integer with less than 100 digits.");
		  else if(b==a)
		      System.out.println("1")
		  else
		  {
		      BigInteger y,z,res;
		      BigInteger x=BigInteger.valueOf(t);
		      y=x.pow(a).subtract(BigInteger.ONE);
		      z=x.pow(b).subtract(BigInteger.ONE);
		      res=y.divide(z);
		      if(res.toString().length()>=100)
		      System.out.println("is not an integer with less than 100 digits.");
		      else
		      System.out.println(res);
		  }
		}
	}
}