package org.example;

import java.util.Optional;
import java.util.Scanner;
import java.util.stream.Stream;

class Main {
  @SuppressWarnings("unchecked")
  public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    String line = in.nextLine();
    var nums = Stream
      .of(line.split("\\W"))
      .map(Main::safeToInt)
      .toArray(s -> (Optional<Integer>[]) new Optional[s]);
    Optional<Integer> a = nums[0], b = nums[1], c = nums[2];
    var d = a.flatMap(v1 -> b.flatMap(v2 -> safeDiv(v1, v2)));
    var r = c.flatMap(v4 -> d.flatMap(v3 -> safePow(v3, v4)));
    System.out.println(r);
  }

  public static Optional<Integer> safeDiv(Integer a, Integer b) {
    if (b == 0) return Optional.empty();
    return Optional.of(a / b);
  }

  public static Optional<Integer> safePow(Integer a, Integer b) {
    if (b <= 0) return Optional.empty();
    return Optional.of((int) Math.pow(a, b));
  }

  public static Optional<Integer> safeToInt(String s) {
    try {
      return Optional.of(Integer.parseInt(s));
    } catch (NumberFormatException e) {
      return Optional.empty();
    }
  }
}