бинарный

#include <iostream>
#include <cmath>
#include <algorithm>
using namespace std;

int main()
{
  int a=0, b=0, n=1;
  cin >> a >> b;
  while (a!=0 && b!=0)
  {
    if (a%2 ==0 && b%2==0)
    {
      while (a%2!=0 || b%2!=0 || (a%2!=0 && b%2!=0))
      {
        a/=2;
        b/=2;
        n*=2;
      }
    }

  }
}