source_code: import java.util.*;
  import java.math.*;
  import java.io.*;
  
  public class b implements Runnable{
  	PrintWriter out = null;
  	public int toint(String s){
  		int res = 0;
  		for (int i = 0; i < s.length(); i++){
  			res *= 10;
  			res += s.charAt(i)-'0';
  		}
  		return res;
  	}
  
  	public void tostr(int k){
  		if (k == 0) return;
  		tostr((k-1)/26);
  		out.print((char)(('A'+((k-1)%26))));
  	}
  
  	public int fromstr(String s){
  		if (s.length() == 0) return 0;
  		int r = s.charAt(s.length()-1)-'A'+1;
  		r += 26*(fromstr(s.substring(0,s.length()-1)));
  		return r;
  	}
  
          public void run(){
                  try{
                          Scanner in = new Scanner(System.in);
                          out = new PrintWriter(System.out);
                          int n = in.nextInt();
  						for (int t = 0; t < n; t++){
  							int rp = -1;
  							int cp = -1;
  							String s = in.next();
  							for (int i = 0; i < s.length(); i++)
  								if (s.charAt(i) == 'R') rp = i;
  								else if (s.charAt(i) == 'C') cp = i;
  							boolean good = true;
  							if (rp == 0 && cp > 1){
  								for (int i = 0; i <= cp; i++)
  									if (s.charAt(i) >= '0' && s.charAt(i) <= '9')
  										good = false;
  							}
  							if (good){
  								int k = 0;
  								for (;s.charAt(k) < '0' || s.charAt(k) > '9'; k++);
  								int r = toint(s.substring(k,s.length()));
  								int c = fromstr(s.substring(0,k));
  								out.print('R');
  								out.print(r);
  								out.print('C');
  								out.println(c);
  							} else {
  								int r = toint(s.substring(1,cp));
  								int c = toint(s.substring(cp+1,s.length()));
  								tostr(c);
  								out.println(r);
  							}
  						}
                          in.close();
                          out.close();
                  } catch(Exception e){
                          e.printStackTrace();
                  }
          }
  
          public static void main(String[] args){
                  new Thread(new b()).start();
          }
  }
  
  
  