#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i)) #define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i)) #if defined(_MSC_VER) || __cplusplus > 199711L #define aut(r,v) auto r = (v) #else #define aut(r,v) __typeof(v) r = (v) #endif #define each(it,o) for(aut(it, (o).begin()); it != (o).end(); ++ it) #define all(o) (o).begin(), (o).end() #define pb(x) push_back(x) #define mp(x,y) make_pair((x),(y)) #define mset(m,v) memset(m,v,sizeof(m)) #define INF 0x3f3f3f3f #define INFL 0x3f3f3f3f3f3f3f3fLL using namespace std; typedef vector vi; typedef pair pii; typedef vector > vpii; typedef long long ll; template inline void amin(T &x, U y) { if(y < x) x = y; } template inline void amax(T &x, U y) { if(x < y) x = y; } template struct ModInt { static const int Mod = MOD; unsigned x; ModInt(): x(0) { } ModInt(signed sig) { int sigt = sig % MOD; if(sigt < 0) sigt += MOD; x = sigt; } ModInt(signed long long sig) { int sigt = sig % MOD; if(sigt < 0) sigt += MOD; x = sigt; } int get() const { return (int)x; } ModInt &operator+=(ModInt that) { if((x += that.x) >= MOD) x -= MOD; return *this; } ModInt &operator-=(ModInt that) { if((x += MOD - that.x) >= MOD) x -= MOD; return *this; } ModInt &operator*=(ModInt that) { x = (unsigned long long)x * that.x % MOD; return *this; } ModInt operator+(ModInt that) const { return ModInt(*this) += that; } ModInt operator-(ModInt that) const { return ModInt(*this) -= that; } ModInt operator*(ModInt that) const { return ModInt(*this) *= that; } }; typedef ModInt<1000000007> mint; int digits[10003]; bool eqok; mint memo[10003][24][2][2]; mint rec(int i, int mod, bool three, bool lt) { mint &r = memo[i+1][mod][three][lt]; if(r.x != -1) return r; if(i == -1) return r = mod % 8 != 0 && (three || mod % 3 == 0) && (eqok || lt); r = 0; int e = digits[i]; rep(d, 10) if(lt || d <= e) r += rec(i-1, (mod * 10 + d) % 24, three || d == 3, lt || d < e); return r; } int main() { string A, B; while(cin >> A >> B) { mint ans; eqok = true; mset(digits, 0); rep(i, B.size()) digits[B.size() - 1 - i] = B[i] - '0'; mset(memo, -1); ans += rec(10001, 0, false, false); eqok = false; mset(digits, 0); rep(i, A.size()) digits[A.size() - 1 - i] = A[i] - '0'; mset(memo, -1); ans -= rec(10001, 0, false, false); printf("%d\n", ans.get()); } return 0; }