#pragma region Macros #include #if defined(LOCAL) || defined(ONLINE_JUDGE) || defined(_DEBUG) #include #endif using namespace std; #define REP(i, n) for(int i=0, i##_len=(n); i=0; --i) #define FOR(i, n, m) for(int i=(m), i##_len=(n); ibool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (busing vec = vector; templateusing umap = unordered_map; templateusing uset = unordered_set; using ll = long long; using ld = long double; using P = pair; //using T = tuple; using vl = vec; #define fi first #define se second #define el endl constexpr ll INF = numeric_limits::max()/2-1; #pragma endregion #pragma region IOMacros template istream &operator>>(istream &stream, vec& o){REP(i, o.size())stream >> o[i];return stream;} template ostream &operator<<(ostream &stream, vec& objs){REP(i, objs.size())stream << objs[i] << " ";stream << el;return stream;} #define I(T, ...) ;T __VA_ARGS__;__i(__VA_ARGS__); void __i() {} template void __i(T&& o, Ts&&... args){cin >> o;__i(forward(args)...);} #ifdef LOCAL void O() {cerr << el;} template void O(T&& o, Ts&&... args){cerr << o << " ";O(forward(args)...);} #else template void O(T&& o, Ts&&... args){}; #endif #pragma endregion void Main(); int main(){ std::cin.tie(nullptr); std::cout << std::fixed << std::setprecision(15); Main(); return 0; } unsigned long long get_hash(string s, unsigned long long a, unsigned long long b){ unsigned long long hash = 0; for(int i = 0; i < s.size(); i++){ hash = (hash * a + s[i]) % b; } return hash; } void Main(){ I(ll, a, b); umap mp; ll x = a*a%b; string s="a", t="b"; mp[0] = 0; mp[a%b] = 1; FOR(i, 1e6+1, 2){ if(mp.find(x) != mp.end()){ O(x, i, mp[x]); string S(i, 'a'), T(i, 'a'); S[0] = 'b'; T[i-mp[x]] = 'b'; s = S; t = T; cout << S << el << T << el; break; } mp[x] = i; x *= a; x %= b; } #ifdef LOCAL if(get_hash(s, a, b) == get_hash(t, a, b)){ cout << "OK" << el; }else{ cout << "NG" << el; } #endif }