c-gcc, 104 bytes

Result

AC

Duration

764ms

Code [DL]

b;char c[99],d[9];main(){gets(c);while(gets(d))puts(c);for(;d[++b]-75;);for(;c[b]-84;)++c[b++];puts(c);}

stdin

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               K                                  

stdout

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               !!!!!!!!!!!!!!!!!T                 

stderr

/tmp/code.c:1:1: warning: data definition has no type or storage class
 b;char c[99],d[9];main(){gets(c);while(gets(d))puts(c);for(;d[++b]-75;);for(;c[b]-84;)++c[b++];puts(c);}
 ^
/tmp/code.c:1:1: warning: type defaults to 'int' in declaration of 'b' [-Wimplicit-int]
/tmp/code.c:1:19: warning: return type defaults to 'int' [-Wimplicit-int]
 b;char c[99],d[9];main(){gets(c);while(gets(d))puts(c);for(;d[++b]-75;);for(;c[b]-84;)++c[b++];puts(c);}
                   ^~~~
/tmp/code.c: In function 'main':
/tmp/code.c:1:26: warning: implicit declaration of function 'gets' [-Wimplicit-function-declaration]
 b;char c[99],d[9];main(){gets(c);while(gets(d))puts(c);for(;d[++b]-75;);for(;c[b]-84;)++c[b++];puts(c);}
                          ^~~~
/tmp/code.c:1:48: warning: implicit declaration of function 'puts' [-Wimplicit-function-declaration]
 b;char c[99],d[9];main(){gets(c);while(gets(d))puts(c);for(;d[++b]-75;);for(;c[b]-84;)++c[b++];puts(c);}
                                                ^~~~

strace