#include<bits/stdc++.h>
using namespace std;
const int N = 1e2;
map<int,char>mp;
map<char,int>mmap;
int n,tot;
char s[N],mid[N];
char anew[N];
void init(){
	char m='A';
	for(int i=0;i<26;i++){
		mp[i+1]=m+i;
		mmap[m+i]=i+1;
	} 
}
void aoto(int num){
	if(num<=9){
		anew[++tot]=mp[num];
	}else{
		int p=num/26,q=num%26;
		anew[++tot]=mp[p];
		anew[++tot]=mp[q];
	}
}
int main(){
	init();
	cin>>n;
	while(n--){
		cin>>s;
		if(s[0]=='R'){
			int sum=0,p=1,pos;
			for(int i=strlen(s)-1;i>=0;i--){
				if(s[i]>='0'&&s[i]<='9'){
					sum+=(s[i]-'0')*p;
			    	p*=10;
			    	pos=i;
				}else{
					break;
				}
			}
			tot=0;
			aoto(sum);
			for(int i=1;i<=tot;i++) cout<<anew[i];
			pos--;
			while(pos>=0){
				if(s[pos]>='0'&&s[pos]<='9') break;
				pos--;
			}
			sum=0,p=1;
			for(int i=pos;i>=0;i--){
				if(s[i]>='0'&&s[i]<='9'){
					sum+=(s[i]-'0')*p;
			    	p*=10;
				}else{
					break;
				}
			}
			cout<<sum<<endl;
			continue;
		}else{
			int ans=mmap[s[0]]*26+mmap[s[1]];
			int sum=0,p=1; 
			for(int i=strlen(s)-1;i>=0;i--){
				if(s[i]>='0'&&s[i]<='9'){
					sum+=(s[i]-'0')*p;
					p*=10;
				}else{
					break;
				}
			}
			cout<<"R";
			cout<<sum;
			cout<<"C";
			cout<<ans;
			cout<<endl;
			continue;
		}
	}
	return 0;
}