/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		long start = System.nanoTime();
        int min = 20;
        for (int i = 19; i > 1; i--) {
            int factor = min;
            while (min % i != 0) {
                min += factor;
            }
        }
        System.out.printf("Result %d in %.3fms%n", min, (System.nanoTime() - start) / 1000000.0);
	}
}

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