#include <bits/stdc++.h>
long convertToNumeric(std::string input) {
  long output(0);
  const int alphaSize(26);
  for (int k = 0; k < input.size(); k++) {
    output = alphaSize * output + (input[k] - 'A' + 1);
  }
  return output;
}
std::string convertToAlpha(long input) {
  const int alphaSize(26);
  std::string output("");
  while (input > 0) {
    char letter = 'Z';
    long inputMod = input % alphaSize;
    if (inputMod > 0) {
      letter = 'A' + inputMod - 1;
    } else {
      input -= alphaSize;
    }
    input = input / alphaSize;
    output = letter + output;
  }
  return output;
}
int main() {
  int n;
  scanf("%d\n", &n);
  while (n--) {
    std::string line;
    getline(std::cin, line);
    bool coordinates(0);
    if (line[0] == 'R' && ('0' <= line[1] && line[1] <= '9') &&
        1 < line.find('C') && line.find('C') < line.size() - 1) {
      coordinates = 1;
    }
    if (coordinates) {
      int cPos = line.find('C');
      std::string rowString = line.substr(1, cPos - 1);
      std::string colString = line.substr(cPos + 1);
      long col = atol(colString.c_str());
      std::cout << convertToAlpha(col) << rowString << std::endl;
    } else {
      std::string rowString = "";
      std::string colString = "";
      for (int k = 0; k < line.size(); k++) {
        if ('0' <= line[k] && line[k] <= '9') {
          colString = line.substr(k);
          break;
        } else {
          rowString += line[k];
        }
      }
      std::cout << "R" << colString << "C" << convertToNumeric(rowString)
                << std::endl;
    }
  }
  return 0;
}
