#include<bits/stdc++.h>
using namespace std;
int x,n;
int main(){
	std::ios::sync_with_stdio(false);
	while(cin>>x>>n){
		queue <int> num,num2,num3;
		num.push(x);
		int i=1;
		for(;i<n;i++){//
			num2.push(num.back()*2+1);
			num3.push(num.back()*3+1);
			if(num2.front()<num3.front()){
				num.push(num2.front());
				num2.pop();
			}else if(num2.front()>num3.front()){
				num.push(num3.front());
				num3.pop();
			}else{
				num.push(num3.front());
				num3.pop();
				num2.pop();
			}
		}
		cout<<num.back()<<endl;
	}
	return 0;
}