import std.stdio, std.array, std.string, std.conv, std.algorithm; import std.typecons, std.range, std.random, std.math, std.container; import std.numeric, std.bigint, core.bitop; immutable int[] inv = [0, 1, 5, 0, 7, 2, 0, 4, 8]; void solve() { auto S = readln.chomp.map!(a => (a - '0').to!int).array;; auto N = S.length.to!int; if (S.map!(s => s == 0).all) { writeln(0); return; } int C = 1; int C3 = 0; int ans = 0; foreach (i; 0..N) { int tmp_3 = 0; while (S[i] > 0 && S[i] % 3 == 0) tmp_3 += 1, S[i] /= 3; int C3C3 = C3 + tmp_3 >= 2 ? 0 : C3 + tmp_3 == 1 ? 3 : 1; ans += C % 9 * C3C3 % 9 * S[i] % 9; ans %= 9; int num = N - 1 - i; int den = i + 1; while (num > 0 && num % 3 == 0) C3 += 1, num /= 3; while (den % 3 == 0) C3 -= 1, den /= 3; C = C * num % 9 * inv[den % 9] % 9; } writeln(ans ? ans : 9); } void main() { auto T = readln.chomp.to!int; while (T--) solve; }