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#include <fstream>
#include <queue>
#include <iostream>
#include <bitset>
using namespace std;
ifstream fin("inversmodular.in");
ofstream fout("inversmodular.out");
bool prim(int n)
{
if (n < 2)
return 0;
if (n != 2 && n % 2 == 0)
return 0;
for (int i = 3; i * i <= n; i += 2)
if (n % i == 0)
return 0;
return 1;
}
int phi(int x)
{
int f, phi;
f = 2;
phi = x;
if (prim(x))
return x - 1;
while (f * f <= x && x > 1)
{
if (x % f == 0)
{
while (x % f == 0)
x /= f;
phi /= f;
phi *= (f - 1);
}
f++;
}
if (x > 1)
{
phi /= x;
phi *= (x - 1);
}
return phi;
}
int lgput(int a, int b, int mod)
{
int p = 1;
while (b)
{
if (b % 2 == 1)
p =1LL* p * a % mod;
a = 1LL*a * a % mod;
b /= 2;
}
return p;
}
int main()
{
int a, b;
fin >> a >> b;
fout << lgput(a, phi(b)-1, b);
return 0;
}