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#include <bits/stdc++.h>
using namespace std;
int a,b;
long long putere(long long a,long long b,int MOD){
int i;
long long sol = 1;
for(i = 0;(1 << i) <= b;i++){
if((1 << i) & b)
sol *= a;
a *= a;
sol %= MOD;
a %= MOD;
}
return sol;
}
int phi(int x){
int rez = x;
for(int i = 2;i * i <= x;i++){
if(x % i == 0){
while(x % i == 0)
x /= i;
rez -= rez / i;
}
}
if(x > 1){
rez -= rez / x;
}
return rez;
}
int main()
{
ifstream cin("inversmodular.in");
ofstream cout("inversmodular.out");
cin >> a >> b;
cout << putere(a,phi(b) - 1,b);
return 0;
}