#include <bits/stdc++.h>
using namespace std;
string num = "0123456789";
string mrj(string s) { return s[s.length() - 1] + s.substr(0, s.length() - 1); }
string missc(string s) { return s.substr(1, s.length() - 1) + s[0]; }
string mre(string s) {
  if (s.length() % 2 == 1)
    return s.substr(s.length() / 2 + 1, s.length() / 2) + s[s.length() / 2] +
           s.substr(0, s.length() / 2);
  else
    return s.substr(s.length() / 2, s.length() / 2) +
           s.substr(0, s.length() / 2);
}
string mra(string s) {
  string res = "";
  for (int i = s.length() - 1; i >= 0; i--) {
    res += s[i];
  }
  return res;
}
string drp(string s) {
  for (int i = 0; i < s.length(); i++) {
    int index = (int)num.find(s[i]);
    if (index > 0) {
      s[i] = num[(index + 9) % 10];
    }
  }
  return s;
}
string mrm(string s) {
  for (int i = 0; i < s.length(); i++) {
    int index = (int)num.find(s[i]);
    if (index > 0) {
      s[i] = num[(index + 1) % 10];
    }
  }
  return s;
}
int main() {
  int n;
  string order, message;
  cin >> n;
  while (n--) {
    cin >> order >> message;
    for (int i = order.length() - 1; i >= 0; i--) {
      if (order[i] == 'J') message = mrj(message);
      if (order[i] == 'C') message = missc(message);
      if (order[i] == 'E') message = mre(message);
      if (order[i] == 'A') message = mra(message);
      if (order[i] == 'P') message = drp(message);
      if (order[i] == 'M') message = mrm(message);
    }
    cout << message << endl;
  }
}
