Uppercase and lowercase swaps

Description

A string that contains only uppercase and lowercase letters is now given, with no spaces and line breaks, which requires that the upper case be converted to lowercase, lowercase to uppercase, and then the swapped string will be output.

Input

　　The first line has only one integer m (m<=10), which indicates the number of test data groups.

The next M-line, each line has a string (the length does not exceed 100).

Output

　Outputs the swapped strings, one row for each set of outputs.

Sample input

2 acmaccepted

Sample output

acmaccepted

Test code

1#include <stdio.h>2 3 intMain ()4 {5     intm;6     CharC;7scanf"%d", &m);8 GetChar ();9      while(m--)Ten     { One          while((c = GetChar ())! ='\ n') A         { -             if(c >='a'&&c <='Z') -             { thePutchar (C-'a'+'A'); -             }     -             Else -             { +Putchar (C-'A'+'a'); -             }     +         } Aprintf"\ n"); at     } -     return 0; -}

Uppercase and lowercase swaps