#include using namespace std; int64_t random_number(int64_t n) { mt19937_64 mt(std::chrono::steady_clock::now().time_since_epoch().count()); uniform_int_distribution dist(0, n - 1); return dist(mt); } const int64_t MOD = ((int64_t)1 << 61) - 1; const int64_t MASK30 = ((int64_t)1 << 30) - 1; const int64_t MASK31 = ((int64_t)1 << 31) - 1; const int64_t MASK61 = ((int64_t)1 << 61) - 1; int64_t base = random_number(MOD); int64_t mod(int64_t x) { int64_t res = (x >> 61) + (x & MASK61); if (res >= MOD) res -= MOD; return res; } int64_t mul(int64_t a, int64_t b) { int64_t au = (a >> 31), ad = (a & MASK31); int64_t bu = (b >> 31), bd = (b & MASK31); int64_t c = (au * bd + ad * bu); int64_t cu = (c >> 30), cd = (c & MASK30); return mod(au * bu * 2 + cu + (cd << 31) + ad * bd); } int64_t add(int64_t a, int64_t b) { return mod(a + b); } int64_t sub(int64_t a, int64_t b) { int64_t res = a - b; if (res < 0) res += MOD; return res; } vector pattern_matching(const string& a, const string& b) { int az = a.size(), bz = b.size(); if (az > bz) return vector(); int64_t ah = 0, bh = 0, t = 1; for (int i = 0; i < az; ++i) { ah = add(mul(ah, base), a[i]); bh = add(mul(bh, base), b[i]); t = mul(t, base); } vector pos; for (int i = 0; i + az <= bz; ++i) { if (ah == bh) pos.push_back(i); if (i + az < bz) bh = sub(add(mul(bh, base), b[i + az]), mul(b[i], t)); } return pos; } int main() { string S; int M; cin >> S >> M; int ans = 0; for (int i = 0; i < M; ++i) { string C; cin >> C; auto pos = pattern_matching(C, S); ans += pos.size(); } cout << ans << endl; return 0; }