#include <cstdio>
#include <cmath>
using namespace std;

int a,n;

int ridic_putere(int a,int f)
{
    int b=a;
    int rez=1;
    for(int i=1;i<=f;i<<=1)
    {
        if(f & i) rez=(1LL*rez*b)%n;
        b=(1LL*b*b)%n;
    }
    return rez;
}

int v[50000];
int vaz[50000];

int main()
{
    freopen("inversmodular.in","r",stdin);
    freopen("inversmodular.out","w",stdout);
    int c,j,f,l=0,s;
    scanf("%d%d",&a,&n);
    c=sqrt(n);
    for(int i=2;i<=c;i++)
        if(vaz[i]==0)  {j=i*i;l++;v[l]=i;
                            while(j<=c)
                             {
                                 vaz[j]=1;
                                 j+=i;
                             }
                        }
    f=n;
    s=n;
    for(int i=1;i<=l;i++)
        if(n%v[i]==0) {while(s%v[i]==0) s=s/v[i];f=f*(v[i]-1)/v[i];}
    if(s>1)
    f=f*(s-1)*n;
    printf("%d",ridic_putere(a,f-1));
    return 0;
}