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#include<fstream>
#include<cmath>
#include<cstring>
using namespace std;
ifstream fin("inversmodular.in");
ofstream fout("inversmodular.out");
int nrprime(int lim)
{
int sqr = (int)sqrt(lim);
long long nr=lim;
bool *isComposite = new bool[lim + 1];
memset(isComposite, 0, sizeof(bool) * (lim + 1));
for(int i=2;i<=sqr;i++)
if(lim%i==0&&!isComposite[i]){
nr*=i-1;
nr/=i;
for(int j=i*i;j<=lim;j+=i)
isComposite[j]=true;
}
for(int i=sqr+1;i<=lim;i++)
if(lim%i==0&&!isComposite[i]){nr*=i-1;nr/=i;}
return nr;
}
int putere(int a,int b,int mod){
int x=1,y=a;
while(b>0){
if(b%2==1){
x=x*y;
if(x>mod)x%=mod;
}
y=(y*y)%mod;
if(y>mod)y%=mod;
b/=2;
}
return x;
}
int main(){
int a,n,d;
fin>>a>>n;
fout<<(putere(a,nrprime(n)-1,n))<<'\n';
fin.close();
fout.close();
return 0;
}