ocaml, 162 bytes

Result

AC

Duration

744ms

Code [DL]

open String
let rec f s t=try f(print_endline s;s)(read_line()) with _->index s 'T'+1|>sub(sub t 0(index t 'K')^make 99 '*')0|>print_string
let _=f(read_line())""

stdin

                              T                   
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
   K                                              

stdout

                              T                   
                              T                   
                              T                   
                              T                   
                              T                   
                              T                   
                              T                   
                              T                   
                              T                   
                              T                   
                              T                   
                              T                   
                              T                   
                              T                   
                              T                   
                              T                   
   ****************************

stderr

strace