import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
import java.util.List;
import java.util.Arrays;
import java.util.ArrayList;
public class Main {
    //Program start
    
    //Program end

    @Test
public void test1() {
    assertEquals(2, maxKDivisibleComponents(5, new ArrayList<>(Arrays.asList(new ArrayList<>(Arrays.asList(0,2)),new ArrayList<>(Arrays.asList(1,2)),new ArrayList<>(Arrays.asList(1,3)),new ArrayList<>(Arrays.asList(2,4)))), new ArrayList<>(Arrays.asList(1,8,1,4,4)), 6));
}
@Test
public void test2() {
    assertEquals(3, maxKDivisibleComponents(7, new ArrayList<>(Arrays.asList(new ArrayList<>(Arrays.asList(0,1)),new ArrayList<>(Arrays.asList(0,2)),new ArrayList<>(Arrays.asList(1,3)),new ArrayList<>(Arrays.asList(1,4)),new ArrayList<>(Arrays.asList(2,5)),new ArrayList<>(Arrays.asList(2,6)))), new ArrayList<>(Arrays.asList(3,0,6,1,5,2,1)), 3));
}

}