import compute.Task;
import java.io.Serializable;
import java.math.BigDecimal;

public class Silnia implements Task<BigDecimal>, Serializable
{



    /** constants used in pi computation */
    private static final BigDecimal FOUR =
        BigDecimal.valueOf(4);

    /** rounding mode to use during pi computation */
    private static final int roundingMode =
        BigDecimal.ROUND_HALF_EVEN;

    /** digits of precision after the decimal point */
    private final int digits;

    /**
     * Construct a task to calculate pi to the specified
     * precision.
     */
        public Silnia(int digits)
    {
        this.digits = digits;
    }

    /**
     * Calculate pi.
     */


public BigDecimal SilniaBig(BigDecimal a) {

        BigDecimal wynik = BigDecimal.ONE;

        for (int j = 2; j <=a.intValue(); j++) {
            wynik = wynik.multiply(BigDecimal.valueOf(j));
        }

        return wynik;
    }
}