Check if Kth bit is SET or not

#include <bits/stdc++.h>
using namespace std;

int main() {
	//code
	int tc;
	cin>>tc;
	while(tc--)
	{
	    int n,k;
	    cin>>n>>k;
	    
	    int i =0;
	    int power = 0;
	    int mask = 1;
	    while(i<k)
	    {
	        power++;
	        i++;
	        mask<<=1;
	    }
	    if(mask&n)
	        cout<<n<<"\n";
	    else
	        cout<<(n+pow(2,power))<<"\n";
	    
	}
	return 0;
}