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

int main()
{
	int n, i;
    cin >> n >> i; 
	int fish;
	bool flag;
	
	for(long long k = 1; 1; k++)
    {
        flag = true; 
        fish = k * n + i;
    	for(int j = 1; j <= n - 1; j++)
    	{
            if(fish % (n - 1) != 0)
            {
                flag = false;
                break;
            }
    	    fish = fish * n / (n - 1) + i;
    	}
    	
        if(flag) break;
    }
    
	cout << fish << endl;
    
    return 0;
}