#include <bits/stdc++.h>
using namespace std;
template <typename TH>
void _dbg(const char* sdbg, TH h) {
  cerr << sdbg << "=" << h << "\n";
}
template <typename TH, typename... TA>
void _dbg(const char* sdbg, TH h, TA... t) {
  while (*sdbg != ',') {
    cerr << *sdbg++;
  }
  cerr << "=" << h << ",";
  _dbg(sdbg + 1, t...);
}
template <class C>
void mini(C& a4, C b4) {
  a4 = min(a4, b4);
}
template <class C>
void maxi(C& a4, C b4) {
  a4 = max(a4, b4);
}
template <class T1, class T2>
ostream& operator<<(ostream& out, pair<T1, T2> pair) {
  return out << "(" << pair.first << ", " << pair.second << ")";
}
template <class A, class B, class C>
struct Triple {
  A first;
  B second;
  C third;
  bool operator<(const Triple& t) const {
    if (first != t.first) return first < t.first;
    if (second != t.second) return second < t.second;
    return third < t.third;
  }
};
template <class T>
void ResizeVec(T&, vector<long long>) {}
template <class T>
void ResizeVec(vector<T>& vec, vector<long long> sz) {
  vec.resize(sz[0]);
  sz.erase(sz.begin());
  if (sz.empty()) {
    return;
  }
  for (T& v : vec) {
    ResizeVec(v, sz);
  }
}
template <class A, class B, class C>
ostream& operator<<(ostream& out, Triple<A, B, C> t) {
  return out << "(" << t.first << ", " << t.second << ", " << t.third << ")";
}
template <class T>
ostream& operator<<(ostream& out, vector<T> vec) {
  out << "(";
  for (auto& v : vec) out << v << ", ";
  return out << ")";
}
template <class T>
ostream& operator<<(ostream& out, set<T> vec) {
  out << "(";
  for (auto& v : vec) out << v << ", ";
  return out << ")";
}
template <class L, class R>
ostream& operator<<(ostream& out, map<L, R> vec) {
  out << "(";
  for (auto& v : vec) out << v << ", ";
  return out << ")";
}
long long k;
bool CanWin(string s) {
  long long n = ((long long)(s).size()) - 1;
  long long first_zero = -1, last_zero = -1, first_one = -1, last_one = -1;
  for (long long i = (1); i <= (n); ++i) {
    if (s[i] == '0') {
      if (first_zero == -1) {
        first_zero = i;
      }
      last_zero = i;
    } else {
      if (first_one == -1) {
        first_one = i;
      }
      last_one = i;
    }
  }
  for (long long p = (1); p <= (n - k + 1); ++p) {
    long long my_last = p + k - 1;
    if (p <= first_one && last_one <= my_last) {
      return 1;
    }
    if (p <= first_zero && last_zero <= my_last) {
      return 1;
    }
  }
  return 0;
}
int32_t main() {
  ios_base::sync_with_stdio(0);
  cout << fixed << setprecision(10);
  if (0) cout << fixed << setprecision(10);
  cin.tie(0);
  long long n;
  cin >> n >> k;
  string s;
  cin >> s;
  string F = "tokitsukaze", S = "quailty";
  if (s == string(n, '0') || s == string(n, '1')) {
    cout << F << endl;
    return 0;
  }
  s = "$" + s;
  long long first_zero = -1, last_zero = -1, first_one = -1, last_one = -1;
  for (long long i = (1); i <= (n); ++i) {
    if (s[i] == '0') {
      if (first_zero == -1) {
        first_zero = i;
      }
      last_zero = i;
    } else {
      if (first_one == -1) {
        first_one = i;
      }
      last_one = i;
    }
  }
  long long can_draw = 0;
  for (long long p = (1); p <= (n - k + 1); ++p) {
    long long my_last = p + k - 1;
    if (p <= first_one && last_one <= my_last) {
      cout << F << endl;
      return 0;
    }
    if (p <= first_zero && last_zero <= my_last) {
      cout << F << endl;
      return 0;
    }
    if (p > 1 && my_last < n) {
      long long is_mixed = (first_one < p && first_zero < p) ||
                           (last_one > my_last && last_zero > my_last);
      if (is_mixed) {
        can_draw = 1;
      } else {
        if (p > k && n - my_last > k) {
          can_draw = 1;
        }
      }
      (p, can_draw);
    }
  }
  string s1 = s, s2 = s, s3 = s, s4 = s;
  for (long long i = (1); i <= (k); ++i) {
    s1[i] = '0';
  }
  for (long long i = (1); i <= (k); ++i) {
    s2[i] = '1';
  }
  for (long long i = (n - k + 1); i <= (n); ++i) {
    s3[i] = '0';
  }
  for (long long i = (n - k + 1); i <= (n); ++i) {
    s4[i] = '1';
  }
  if (can_draw || !CanWin(s1) || !CanWin(s2) || !CanWin(s3) || !CanWin(s4)) {
    cout << "once again\n";
    return 0;
  } else {
    cout << S << endl;
  }
  return 0;
}
