WERTYU ------ A common typing error is to place the hands on the keyboard one row to the right of the correct position. So "Q" is typed as "W" and "J" is typed as "K" and so on. You are to decode a message typed in this manner. Input ----- Input consists of several lines of text. Each line may contain digits, spaces, upper case letters (except Q, A, Z), or punctuation produced by a standard keyboard without pressing Shift (except for backquote, the character to the left of 1. There will be at most 10000 characters per line. The last line of input (that should not be processed is the exact string "QAZ" as shown below. Output ------ For each input line, replace each character by the one to its left. Spaces in the input should be echoed in the output. Sample Input ------------ O S, GOMR YPFSU/ 1WSX =\'/ QAZ Sample Output ------------- I AM FINE TODAY. `QAZ -];.