문제
풀이
#include <iostream>
using namespace std;
void solve(void) {
int n, m;
cin >> n >> m;
long long ans = 1;
for (int i = 1; i <= n; i++) {
ans = (ans * i) % m;
}
cout << ans;
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}