using System; using System.Collections.Generic; using System.Linq; using System.IO; using System.Numerics; class Program { const int M = 1000000007; const double eps = 1e-9; static int[] dd = { 0, 1, 0, -1, 0 }; static void Main() { var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; var sc = new Scan(); // var sc = new ScanCHK(); int n = sc.Int; for (int i = 0; i < n; i++) { var s = sc.Str; int l = s.Length; for (int j = 0; j < l; j++) { if (s[j] != '0') break; if (j == l - 1) { sw.WriteLine(0); goto A; } } int ans = 0; var comb = new BigInteger(1); for (int j = 0; j < l; j++) { ans = (ans + (s[j] - '0') * (int)(comb % 9)) % 9; comb = comb * (l - j - 1) / (j + 1); } sw.WriteLine(ans == 0 ? 9 : ans); A: continue; } sw.Flush(); } static void swap(ref T a, ref T b) { var t = a; a = b; b = t; } static void swap(IList a, int i, int j) { var t = a[i]; a[i] = a[j]; a[j] = t; } static T Max(params T[] a) { return a.Max(); } static T Min(params T[] a) { return a.Min(); } static string con(IEnumerable a) { return string.Join(" ", a); } static void DBG(params T[] a) { Console.WriteLine(string.Join(" ", a)); } static void DBG(params object[] a) { Console.WriteLine(string.Join(" ", a)); } static T[] copy(IList a) { int n = a.Count; var ret = new T[n]; for (int i = 0; i < n; i++) ret[i] = a[i]; return ret; } } class ScanCHK : Scan { public new string Str { get { var s = Console.ReadLine(); return s == s.Trim() ? s : ""; } } } class Scan { public int Int { get { return int.Parse(Str); } } public long Long { get { return long.Parse(Str); } } public double Double { get { return double.Parse(Str); } } public string Str { get { return Console.ReadLine().Trim(); } } public int[] IntArr { get { return StrArr.Select(int.Parse).ToArray(); } } public int[] IntArrWithSep(char sep) { return Str.Split(sep).Select(int.Parse).ToArray(); } public long[] LongArr { get { return StrArr.Select(long.Parse).ToArray(); } } public double[] DoubleArr { get { return StrArr.Select(double.Parse).ToArray(); } } public string[] StrArr { get { return Str.Split(); } } T cv(string inp) { if (typeof(T).Equals(typeof(int))) return (T)Convert.ChangeType(int.Parse(inp), typeof(T)); if (typeof(T).Equals(typeof(long))) return (T)Convert.ChangeType(long.Parse(inp), typeof(T)); if (typeof(T).Equals(typeof(double))) return (T)Convert.ChangeType(double.Parse(inp), typeof(T)); if (typeof(T).Equals(typeof(char))) return (T)Convert.ChangeType(inp[0], typeof(T)); return (T)Convert.ChangeType(inp, typeof(T)); } public void Multi(out T a) { a = cv(Str); } public void Multi(out T a, out U b) { var ar = StrArr; a = cv(ar[0]); b = cv(ar[1]); } public void Multi(out T a, out U b, out V c) { var ar = StrArr; a = cv(ar[0]); b = cv(ar[1]); c = cv(ar[2]); } public void Multi(out T a, out U b, out V c, out W d) { var ar = StrArr; a = cv(ar[0]); b = cv(ar[1]); c = cv(ar[2]); d = cv(ar[3]); } public void Multi(out T a, out U b, out V c, out W d, out X e) { var ar = StrArr; a = cv(ar[0]); b = cv(ar[1]); c = cv(ar[2]); d = cv(ar[3]); e = cv(ar[4]); } } class mymath { int Mod = 1000000007; public void setMod(int m) { Mod = m; } public bool isprime(long a) { if (a < 2) return false; for (long i = 2; i * i <= a; i++) if (a % i == 0) return false; return true; } public bool[] sieve(int n) { var p = new bool[n + 1]; for (int i = 2; i <= n; i++) p[i] = true; for (int i = 2; i * i <= n; i++) if (p[i]) for (int j = i * i; j <= n; j += i) p[j] = false; return p; } public List getprimes(int n) { var prs = new List(); var p = sieve(n); for (int i = 2; i <= n; i++) if (p[i]) prs.Add(i); return prs; } public long[][] E(int n) { var ret = new long[n][]; for (int i = 0; i < n; i++) { ret[i] = new long[n]; ret[i][i] = 1; } return ret; } public long[][] pow(long[][] A, long n) { if (n == 0) return E(A.Length); var t = pow(A, n / 2); if ((n & 1) == 0) return mul(t, t); return mul(mul(t, t), A); } public long dot(long[] x, long[] y) { int n = x.Length; long ret = 0; for (int i = 0; i < n; i++) ret = (ret + x[i] * y[i]) % Mod; return ret; } public long[][] trans(long[][] A) { int n = A[0].Length, m = A.Length; var ret = new long[n][]; for (int i = 0; i < n; i++) { ret[i] = new long[m]; for (int j = 0; j < m; j++) ret[i][j] = A[j][i]; } return ret; } public long[] mul(long[][] A, long[] x) { int n = A.Length; var ret = new long[n]; for (int i = 0; i < n; i++) ret[i] = dot(x, A[i]); return ret; } public long[][] mul(long[][] A, long[][] B) { int n = A.Length; var Bt = trans(B); var ret = new long[n][]; for (int i = 0; i < n; i++) ret[i] = mul(Bt, A[i]); return ret; } public long[] add(long[] x, long[] y) { int n = x.Length; var ret = new long[n]; for (int i = 0; i < n; i++) ret[i] = (x[i] + y[i]) % Mod; return ret; } public long[][] add(long[][] A, long[][] B) { int n = A.Length; var ret = new long[n][]; for (int i = 0; i < n; i++) ret[i] = add(A[i], B[i]); return ret; } public long pow(long a, long b) { if (a >= Mod) return pow(a % Mod, b); if (a == 0) return 0; if (b == 0) return 1; var t = pow(a, b / 2); if ((b & 1) == 0) return t * t % Mod; return t * t % Mod * a % Mod; } public long inv(long a) { return pow(a, Mod - 2); } public long gcd(long a, long b) { while (b > 0) { var t = a % b; a = b; b = t; } return a; } public long lcm(long a, long b) { return a * (b / gcd(a, b)); } public long comb(int n, int r) { if (n < 0 || r < 0 || r > n) return 0; if (n - r < r) r = n - r; if (r == 0) return 1; if (r == 1) return n; var numer = new int[r]; var denom = new int[r]; for (int k = 0; k < r; k++) { numer[k] = n - r + k + 1; denom[k] = k + 1; } for (int p = 2; p <= r; p++) { int piv = denom[p - 1]; if (piv > 1) { int ofst = (n - r) % p; for (int k = p - 1; k < r; k += p) { numer[k - ofst] /= piv; denom[k] /= piv; } } } long ret = 1; for (int k = 0; k < r; k++) if (numer[k] > 1) ret = ret * numer[k] % Mod; return ret; } }