#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
const int N=1e6+10;
LL q[N];
int main()
{
	LL a,n;
	while(cin>>a>>n)
	{
		q[1]=a;
		int two=1,three=1;
		for(int i=2;i<=n;i++)
		{
			LL t=min(q[two]*2+1,q[three]*3+1);
			if(t==2*q[two]+1) two++;
			if(t==3*q[three]+1) three++;
			q[i]=t;
		}
		cout<<q[n]<<endl;
	}
	return 0;
}