import java.lang.*;
import cli.UltimateOrb.Mathematics.DoubleArithmetic;

public class Program {

    public static void main(String[] args) {
        long first_hi = 1;
        long first_lo = 2;
        long second_hi = 3;
        long second_lo = 1;
        long[] ref_result_hi = new long[1];
        long result_lo = DoubleArithmetic.MultiplyUnchecked(first_lo, first_hi, second_lo, second_hi, ref_result_hi);
        long result_hi = ref_result_hi[0];
        System.out.println(((Long) result_hi).toString());
        System.out.println(((Long) result_lo).toString());
        /*
        0x00000000_00000001_00000000_00000002 * 0x00000000_00000003_00000000_00000001
         == 0x00000000_00000000_00000000_00000003_00000000_00000007_00000000_00000002
                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        Output:
        7
        2
        */
    }
}