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#include <fstream>

using namespace std;
ifstream cin("inversmodular.in");
ofstream cout("inversmodular.out");

int main()
{
    int a,n;
    cin>>a>>n;
    bool prim = true;
    int x=2;
    if(n%2==0)
    prim=false;
    while(x*x<=n){
        x++;
        if(n%x==0)
        prim=false;
    }
    
    if(prim==true){
       int p=1,orgn=n;
       n-=2;
       while(n){
           if(n%2==1)
           p=(p*a)%orgn;
        a=(a*a)%orgn;
        n/=2;
       }
      cout<<p;
    }
}