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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define dbg(x) cout << #x <<": " << x << "\n";
using ll = long long;
class InP {
FILE *fin;
char *buff;
int sp;
public:
InP(const char *p) {
fin = fopen(p, "r");
buff = new char[4096]();
sp = 4095;
}
char read_ch() {
sp++;
if (sp == 4096) {
fread(buff, 1, 4096, fin);
sp = 0;
}
return buff[sp];
}
InP& operator >> (int &n) {
char c;
int sgn = 1;
while (!isdigit(c = read_ch()) && c != '-');
if (c == '-') {
n = 0;
sgn = -1;
}
else n = c - '0';
while (isdigit(c = read_ch()))
n = n * 10 + c - '0';
n = n * sgn;
return *this;
}
InP& operator >> (ll &n) {
char c;
ll sgn = 1;
while (!isdigit(c = read_ch()) && c != '-');
if (c == '-') {
n = 0;
sgn = -1;
}
else n = c - '0';
while (isdigit(c = read_ch()))
n = n * 10 + c - '0';
n = n * sgn;
return *this;
}
};
class OuP {
FILE *fout;
char *buff;
int sp;
public:
OuP(const char *p) {
fout = fopen(p, "w");
buff = new char[50000]();
sp = 0;
}
~OuP() {
fwrite(buff, 1, sp, fout);
fclose(fout);
}
void write_ch(char c) {
if (sp == 50000) {
fwrite(buff, 1, sp, fout);
sp = 0;
}
buff[sp++] = c;
}
OuP& operator << (int n) {
if (n <= 9)
write_ch(n + '0');
else {
*this << (n / 10);
write_ch(n % 10 + '0');
}
return *this;
}
OuP& operator << (ll n) {
if (n <= 9)
write_ch(n + '0');
else {
*this << (n / 10);
write_ch(n % 10 + '0');
}
return *this;
}
OuP &operator <<(char c) {
write_ch(c);
return *this;
}
OuP &operator << (const char *p) {
while (*p) {
write_ch(*p);
p++;
}
return *this;
}
};
InP fin("inversmodular.in");
OuP fout("inversmodular.out");
// ifstream fin("ssnd.in");
// ofstream fout("ssnd.out");
const int mod = 9973;
int a, n;
int phi(int n) {
int ans = n;
for (int i = 2; i * i <= n && n > 1; ++i) {
if (n % i == 0) {
while (n % i == 0)
n /= i;
ans -= ans / i;
}
}
if (n > 1)
ans -= ans / n;
return ans;
}
int expp(int a, int n, int mod) {
int p = 1;
while (n) {
if (n & 1)
p = p * a % mod;
a = a * a % mod;
n >>= 1;
}
return p;
}
int main() {
fin >> a >> n;
fout << expp(a, phi(n) - 1, n) << '\n';
// fin.close();
// fout.close();
return 0;
}