import java.io.*;
import java.math.BigInteger;
import java.util.*;
 
public class Main {
 
    public static void main(String[] args) throws Exception {
    	long start = System.currentTimeMillis();
        int n = Integer.parseInt(new BufferedReader(new InputStreamReader(System.in)).readLine());
        BigInteger primorial = BigInteger.ONE;
        BigInteger prime = BigInteger.ONE;
        for (int i = 1; i < n; ++i) {
            prime = prime.nextProbablePrime();
            primorial = primorial.multiply(prime);
        }
        System.out.println(primorial);
        System.out.println(System.currentTimeMillis() - start);
    }
 
}

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Ngo=

6