uva10106（大数乘法）

public class Product {

    public static void main(String[] args){

        Scanner sc = new Scanner(new BufferedInputStream(System.in));

        BigDecimal bd1, bd2, ans;

        while(sc.hasNext()){

            bd1 = new BigDecimal(sc.next());

            bd2 = new BigDecimal(sc.next());

            

            System.out.println(bd1.multiply(bd2));

        }

        

        sc.close();

    }

}

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用java写就变成大水题了（-_-）