class Solution {

public:

    void FindNumsAppearOnce(vector<int> data,int* num1,int *num2) {

        if(data.size() <= )

            return;

        int resultOR = ;

        for(int i = ;i < data.size();i++){

            resultOR ^= data[i];

        }

        int resultIndex = FindFirst1(resultOR);

        *num1 = ;

        *num2 = ;

        for(int i = ;i < data.size();i++){

            if(Is1(data[i],resultIndex))

                *num1 ^= data[i];

            else

                *num2 ^= data[i];

        }

    }

    int FindFirst1(int num){

        int index = ;

        while((num & ) == ){

            num = num >> ;

            index++;

        }

        return index;

    }

    bool Is1(int number,int index){

        number = number >> index;

        return number & ;

    }

};