#include using namespace std; const int p = 90007; int main() { long long a; cin >> a; vector table(p + 1, 0); int now = 1; for(int i = 1; i < p; i++) { now *= 10; now %= p; table[now] = i; } long long m = a + 1; auto chk = [&m]() { if(m % 10 == 0) return false; auto s = to_string(m); reverse(s.begin(), s.end()); long long x = stoll(s); return x % 90007 != 1; }; while(!chk()) m += a; string res = to_string(m); reverse(res.begin(), res.end()); m = stoll(res); for(int i = 0; i < p - 1 - table[m % p]; i++) res.push_back('0'); cout << res << endl; }