local mod = 1000000007 local s = io.read() --[[ 1: 1 2: 2 3: 4 4: 5 5: 10 6: 20 7: 25 8: 50 9: 100 ]] local t = {} t[1] = {1, 2, 3, 4, 5, 6, 7, 8, 9} t[2] = {2, 3, 3, 5, 6, 6, 8, 9, 9} t[3] = {} t[4] = {3, 3, 3, 6, 6, 6, 9, 9, 9} t[5] = {4, 5, 6, 7, 8, 9, 7, 8, 9} t[6] = {} t[7] = {} t[8] = {} t[9] = {} for i = 1, 9 do t[3][i] = t[1][i] t[6][i] = t[2][i] t[7][i] = t[1][i] t[8][i] = t[4][i] t[9][i] = t[1][i] end local dp1, dp2 = {}, {} for i = 1, 9 do dp1[i] = 0 end local maxstate = 1 local sn = #s for i = 1, sn do local ss = s:byte(i) - 48 local src = i % 2 == 1 and dp1 or dp2 local dst = i % 2 == 1 and dp2 or dp1 for j = 1, 9 do dst[j] = 0 end local lim = i == 1 and ss - 1 or 9 for j = 1, lim do local z = t[j][1] dst[z] = dst[z] + 1 end if ss == 0 then maxstate = 0 for k = 1, 9 do for j = 1, 9 do local z = t[k][j] dst[z] = dst[z] + src[j] end end else if 0 < maxstate then if 1 < i then for j = 1, ss - 1 do local z = t[j][maxstate] dst[z] = dst[z] + 1 end end maxstate = t[ss][maxstate] end for k = 1, 9 do for j = 1, 9 do local z = t[k][j] dst[z] = dst[z] + src[j] end end end for j = 1, 9 do dst[j] = dst[j] % mod end end local tbl = sn % 2 == 1 and dp2 or dp1 local ret = tbl[9] if maxstate == 9 then ret = (ret + 1) % mod end print(ret)