import java.util.Scanner;
public class spreadsheets
{
public static void main
(String[] args
) {
Scanner sc
= new Scanner
(System.
in); long n = sc.nextLong();
long[] row_arr = new long[99999];
long[] col_arr = new long[99999];
for(int l=0;l<n;l++)
{
store[l] = sc.next();
}
for(int i=0;i<n;i++)
{
long row =0; long col=0;
int c1=0; int c2=1; int c3=0;int c4=0;
store[i] = store[i] + '\0';
char c = store[i].charAt(0);
char d = store[i].charAt(1);
if(c=='R' && (int)d <65)
{
while(store[i].charAt(c2) !='C')
{
row_arr
[c1
] = (Integer.
valueOf((store
[i
].
charAt(c2
))-48)); c1++;
c2++;
}
c1=c1-1;
do
{
row
= row_arr
[c3
]*(long)Math.
pow(10, c1
) + row
; c1--;
c3++;
}while(c1>=0);
c2++;
c1=0;
c3=0;
while(store[i].charAt(c2) !='\0')
{
col_arr
[c1
] = Integer.
valueOf(store
[i
].
charAt(c2
)-48); c1++;
c2++;
}
c1=c1-1;
do
{
col
= col_arr
[c3
]*(int)Math.
pow(10, c1
) + col
; c1--;
c3++;
}while(c1>=0);
while(true)
{
if(col%26==0)
{
if(col
<=Math.
pow(27, c4
)) break;
else
c4++;
}
else if(col%26!=0)
{
if((col
<Math.
pow(27, c4
))) break;
else
c4++;
}
}
char[] col_name = new char[c4];
for(int k=(c4-1);k>=0;k--)
{
if(col%26==0)
{
col_name[k] = (char)((col%26) + 90);
col=col-1;
}
else
col_name[k] = (char)((col%26) + 64);
col= (col/26);
}
for(int j=0;j<c4;j++)
{
System.
out.
print((col_name
[j
])); }
}
else
{
int e=0; int f=0; double sum =0;int temp =0;
int[] rev = new int[99999];
while(store[i].charAt(e)>=65)
{
rev[e] = (store[i].charAt(e))-64;
e++;
}
temp=e;
for(int m=e;m>0;m--)
{
sum
= rev
[f
]*Math.
pow(26,
(double)(m
-1))+sum
; e--;
f++;
}
while(store[i].charAt(temp)!='\0')
{
System.
out.
print(store
[i
].
charAt(temp
)-48); temp++;
}System.
out.
println("C"+(int)sum
); }
}
}
}
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