#include<bits/stdc++.h>
using namespace std;
int q[1000011];
int main(){
	freopen("blah.in","r",stdin);
	freopen("blah.out","w",stdout);
	int a,n,x,two,three,rear;
	cin>>a>>n;
	two=three=rear=1;
	q[1]=a;
	while(rear!=n){
		if(2*q[two]+1>3*q[three]+1){
			rear++;
			q[rear]=3*q[three]+1;
			three++;
		}
		else if(2*q[two]+1<3*q[three]+1){
			rear++;
			q[rear]=2*q[two]+1;
			two++;
		}
		else{
			rear++;
			q[rear]=3*q[three]+1;
			three++;
			two++;
		}
	}
	cout<<q[n]<<endl;
	return 0;
}