kotlin, 138 bytes

Result

WA

Duration

4750ms

Code [DL]

fun main(){var s=readLine()!!
var d
do{d=readLine()!!.indexOf('K')
println(s)}while(d<0)
print("".padEnd(d).padEnd(s.indexOf('T')+1,'K'))}

stdin

                     T                            
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                  K                               

stdout

stderr

OpenJDK 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release.
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.intellij.openapi.util.JDOMUtil$2 to constructor com.sun.xml.internal.stream.XMLInputFactoryImpl()
WARNING: Please consider reporting this to the maintainers of com.intellij.openapi.util.JDOMUtil$2
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
/tmp/code.kt:2:5: error: this variable must either have a type annotation or be initialized
var d
    ^
Error: Unable to access jarfile code.jar
rm: can't remove '/tmp/code.jar': No such file or directory

strace