import java.util.*;

import java.io.*;

import java.math.*;

public class Main{

public static void main(String args[]){

Scanner in = new Scanner(System.in);

while (in.hasNextInt())

{

int t = in.nextInt();

int a = in.nextInt();

int b = in.nextInt();

System.out.print("(" + t + "^" + a + "-1)/");

System.out.print("(" + t + "^" + b + "-1) ");

if (t == 1)

{

System.out.println("is not an integer with less than 100 digits.");

}

else if (a % b != 0)

{

System.out.println("is not an integer with less than 100 digits.");

}

else if (a == b)

{

System.out.println("1");

}

else

{

BigInteger ans = new BigInteger("1", 10);

BigInteger tmp = new BigInteger("1", 10);

BigInteger fff = new BigInteger(Integer.toString(t), 10);

BigInteger gxx = new BigInteger("1", 10);

String s = "";

for (int i = 0; i < 100; ++i)

s += "9";

BigInteger lim = new BigInteger(s, 10);

for (int i = 0; i < b; ++i)

{

gxx = gxx.multiply(fff);

if (gxx.compareTo(lim) > 0) break;

}

//System.out.println(gxx);

if (gxx.compareTo(lim) > 0)

{

System.out.println("is not an integer with less than 100 digits.");

continue;

}

int tt = b;

b += tt;

while (b <= a)

{

tmp = tmp.multiply(gxx);

ans = ans.add(tmp);

if (b == a) break;

b += tt;

}

if (ans.compareTo(lim) > 0)

System.out.println("is not an integer with less than 100 digits.");

else

System.out.println(ans);

}

}

}

}