import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Iterator; public class Main_yukicoder260 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); Printer pr = new Printer(System.out); char[] a = sc.next().toCharArray(); char[] b = sc.next().toCharArray(); int p = 0; int ret = (aho(b, p) - aho(sub(a, '1'), p) + MOD) % MOD; pr.println(ret); pr.close(); sc.close(); } static final int MOD = 1_000_000_007; static int[] mod8; private static int aho(char[] b, int p) { int n = b.length; if (mod8 == null) { mod8 = new int[10_000 + 1]; long mod = 1; for (int i = 0; i <= 10_000; i++) { mod8[i] = (int)(mod % MOD); mod = (mod * 10) % MOD; } } int d = 3; int[][][][] dp = new int[2][d][8][n + 1]; int[][][][] dp2 = new int[2][d][8][n + 1]; dp[0][0][0][0] = 1; dp2[0][0][0][0] = 1; for (int j = 1; j <= n; j++) { int num = b[n - j] - '0'; for (int l = 0; l < 2; l++) { for (int i = 0; i < d; i++) { for (int i8 = 0; i8 < 8; i8++) { for (int k = 0; k < 10; k++) { if (k != 3) { dp[l][(i + k) % d][(i8 + k * mod8[j - 1]) % 8][j] += dp[l][i][i8][j - 1]; dp[l][(i + k) % d][(i8 + k * mod8[j - 1]) % 8][j] %= MOD; } else { dp[1][(i + k) % d][(i8 + k * mod8[j - 1]) % 8][j] += dp[l][i][i8][j - 1]; dp[1][(i + k) % d][(i8 + k * mod8[j - 1]) % 8][j] %= MOD; } if (k == num) { if (k != 3) { dp2[l][(i + k) % d][(i8 + k * mod8[j - 1]) % 8][j] += dp2[l][i][i8][j - 1]; dp2[l][(i + k) % d][(i8 + k * mod8[j - 1]) % 8][j] %= MOD; } else { dp2[1][(i + k) % d][(i8 + k * mod8[j - 1]) % 8][j] += dp2[l][i][i8][j - 1]; dp2[1][(i + k) % d][(i8 + k * mod8[j - 1]) % 8][j] %= MOD; } } else if (k < num) { if (k != 3) { dp2[l][(i + k) % d][(i8 + k * mod8[j - 1]) % 8][j] += dp[l][i][i8][j - 1]; dp2[l][(i + k) % d][(i8 + k * mod8[j - 1]) % 8][j] %= MOD; } else { dp2[1][(i + k) % d][(i8 + k * mod8[j - 1]) % 8][j] += dp[l][i][i8][j - 1]; dp2[1][(i + k) % d][(i8 + k * mod8[j - 1]) % 8][j] %= MOD; } } } } } } } int ret = 0; for (int l = 0; l < 2; l++) { for (int i = 0; i < d; i++) { for (int i8 = 0; i8 < 8; i8++) { if ((l == 1 || i == 0) && i8 != 0) { ret += dp2[l][i][i8][n]; ret %= MOD; } } } } return ret; } private static char[] sub(char[] a, char c) { for (int i = a.length - 1; i >= 0; i--) { if (a[i] - c < 0) { a[i] = (char)(a[i] - c + 10 + '0'); c = '1'; } else { a[i] = (char)(a[i] - c + '0'); break; } } return a; } @SuppressWarnings("unused") private static class Scanner { BufferedReader br; Iterator it; Scanner (InputStream in) { br = new BufferedReader(new InputStreamReader(in)); } String next() throws RuntimeException { try { if (it == null || !it.hasNext()) { it = Arrays.asList(br.readLine().split(" ")).iterator(); } return it.next(); } catch (IOException e) { throw new IllegalStateException(); } } int nextInt() throws RuntimeException { return Integer.parseInt(next()); } long nextLong() throws RuntimeException { return Long.parseLong(next()); } float nextFloat() throws RuntimeException { return Float.parseFloat(next()); } double nextDouble() throws RuntimeException { return Double.parseDouble(next()); } void close() { try { br.close(); } catch (IOException e) { // throw new IllegalStateException(); } } } private static class Printer extends PrintWriter { Printer(PrintStream out) { super(out); } } }