#include <bits/stdc++.h> 

using namespace std;

#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (a) - 1; i >= (b); i--)
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second

typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;

LL m;
__int128 binpow(__int128 q, int n)
{
	__int128 res = 1;
	FOR(i, 0, n)
	{
		res *= q;
		if(res > m)
			return res;
	}
	return res;
}


int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	int n;
	cin >> n;
	cin >> m;
	
	
	vector<__int128> qn;
	qn.PB(0);
	qn.PB(1);
	int Q = 2;
	while(true)
	{
		__int128 val = binpow(Q, n - 1);
		
		if(val > m)
			break;
		
		
		qn.PB(val * Q);
		Q++;
	}
	FOR(q, 2, SZ(qn))
	{
		RFOR(p, q, 1)
		{
			__int128 U = m;
			U *= (q - p);
			auto D = qn[q] - qn[p];
			
			if(U % D == 0)
			{
				cout << q - p << " " << q << "\n";
				return 0;
			}
		}
	}
	
	cout << "impossible\n";
	
	
	return 0;
}