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#include <fstream>
using namespace std;
ifstream fin("inversmodular.in");
ofstream fout("inversmodular.out");
int A, N;
int GetPhi(int x)
{
if(x == 0 || x == 1)
return 1;
int phi = 1, xx = x;
for(int i = 2; i * i <= xx; i++)
if(xx % i == 0)
{
int primeFactor = i;
int pow = 0;
while(x % primeFactor == 0)
{
x /= primeFactor;
pow++;
if(pow == 1)
phi *= (primeFactor - 1);
else
phi *= primeFactor;
}
}
if(x)
phi *= (x - 1);
return phi;
}
int Power(int base, int exp)
{
long long ans = 1;
long long aux = base;
for(int i = 1; i <= exp; i <<= 1)
{
if(i & exp)
ans = ans * aux, ans %= N;
aux = aux * aux, aux %= N;
}
return ans;
}
int main()
{
fin >> A >> N;
int phi = GetPhi(N);
fout << Power(A, phi - 1);
return 0;
}