Ultra_Fast_Mathematician.cpp

#include <iostream>
#include <string>
using namespace std;
int main()
{
    //for binary u must take input as string//
    string s1, s2;
    cin >> s1 >> s2;
    for (size_t i = 0; i < s1.length(); ++i)
    {
        //simple xor condition
        if (s1[i] == s2[i])
        {
            s1[i] = '0';
        }
        else
        {
            s1[i] = '1';
        }
    }
    cout << s1 << endl;
    return 0;
}