View Compilation Error

0_0_26358254_18808\Main.java:8: 错误: TWO可以在BigInteger中访问private
        BigInteger base=BigInteger.TWO;
                                  ^
0_0_26358254_18808\Main.java:10: 错误: TWO可以在BigInteger中访问private
            if(n.mod(BigInteger.TWO).compareTo(BigInteger.ONE)==0){
                               ^
0_0_26358254_18808\Main.java:14: 错误: TWO可以在BigInteger中访问private
            n=n.divide(BigInteger.TWO);
                                 ^
3 个错误