#include <iostream>
using namespace std;

int main() {
    while (true) {
        int n;
        cin >> n;
        if (n == 0) {
            break;
        }
        for (int i = 0; i < n; i++) {
            int pm, pe, pj;
            cin >> pm >> pe >> pj;
            char output;
            if ((pm == 100 || pe == 100 || pj == 100)
                || (180 <= pm + pe)
                || (240 <= pm + pe + pj)) {
                output = 'A';
            } else if ((210 <= pm + pe + pj)
                       || (150 <= pm + pe + pj && (80 <= pm || 80 <= pe))) {
                output = 'B';
            } else {
                output = 'C';
            }
            cout << output << endl;
        }
    }
}
#include <bits/stdc++.h>
using namespace std;

#define iota(i,n,b,s) for(int i=int(b);i!=int((b)+(s)*(n));i+=(s))
#define range(i,n,m) iota(i,(((n)>(m))?((n)-(m)):((m)-(n))),(n),((n)>(m)?-1:1))
#define rep(i,n) iota(i,(n),0,1)
#define loop for(;;)

#define INF (1e9)
#define EPS (1e-9)
#define cons(a,b) (make_pair(a,b))
#define car(a) (a.first)
#define cdr(a) (a.second)
#define cadr(a) (car(cdr(a)))
#define cddr(a) (cdr(cdr(a)))
#define all(a) a.begin(), a.end()
#define trace(var) cerr<<">>> "<<#var<<" = "<<var<<endl;

typedef long long Integer;
typedef double Real;
typedef vector<int> vi;
typedef vector<string> vs;
typedef map<string,int> Dictionary;
const Real PI = acos(-1);

template<class S, class T>
ostream& operator<<(ostream& os, pair<S,T> p) {
  os << '(' << car(p) << ", " << cdr(p) << ')';
  return os;
}

template<class T>
ostream& operator<<(ostream& os, vector<T> v) {
  os << v[0];
  for (int i=1, len=v.size(); i<len; ++i) os << ' ' << v[i];
  return os;
}

int dx[] = { -1, 0, 1, 0 };
int dy[] = {  0, -1, 0, 1 };

string rot(string s) {
  string r = "";
  rep (i, s.size()) {
    char c = s[i] < 'a' ? s[i]
           : s[i] == 'z' ? 'a' : char(s[i]+1);
    r += c;
  }
  return r;
}

bool ok(string s) {
  int a = s.find("the");
  int b = s.find("this");
  int c = s.find("that");
  return a != string::npos || b != string::npos || c != string::npos;
}

int main() {

  string s;
  while (getline(cin, s)) {
    while (!ok(s)) s = rot(s);
    cout << (s) << endl;
  }

  return 0;
}