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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("inversmodular.in");
ofstream fout("inversmodular.out");
int p;
int exp(int a, int n)
{
p = 1;
while(n > 0)
{
if(n % 2 == 1)
p = p * a;
a = a * a;
n = n / 2;
}
return p;
}
int d, feuler, pow;
int euler(int n)
{
feuler = 1;
for(d = 2; d * d <= n; d++)
{
pow = 0;
while(n % d == 0)
{
pow++;
n = n / d;
}
if(pow > 0)
feuler = feuler * (d - 1) * exp(d, pow - 1);
}
if(n > 0)
feuler = feuler * (n - 1);
return feuler;
}
/*Invers modular
(A,N) = 1;
1 <= A <= N - 1
X este inversul modular, 1 <= X <= N - 1
X * A congruent cu 1 modulo N
*/
int nods, edges, k;
int main()
{
int A, N;
fin >> A >> N;
int power = euler(N) - 1;
long long p = 1;
while(power > 0)
{
if(power % 2 == 1)
p = p * A;
A *= A;
power /= 2;
}
fout << p % N;
return 0;
}