c-gcc, 61 bytes

Result

TLE

Duration

2218ms

Code [DL]

c;main(x){main(putchar(read(0,&c,1)>x|c)&4?1:-~x%51-c%2*51);}

stdin

                            T                     
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
               K                                  

stdout

                            T                     
                            !                     
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                            !                     
               K!!!!!!!!!!!!!                     

stderr

/tmp/code.c:1:1: warning: data definition has no type or storage class
 c;main(x){main(putchar(read(0,&c,1)>x|c)&4?1:-~x%51-c%2*51);}
 ^
/tmp/code.c:1:1: warning: type defaults to 'int' in declaration of 'c' [-Wimplicit-int]
/tmp/code.c:1:3: warning: return type defaults to 'int' [-Wimplicit-int]
 c;main(x){main(putchar(read(0,&c,1)>x|c)&4?1:-~x%51-c%2*51);}
   ^~~~
/tmp/code.c: In function 'main':
/tmp/code.c:1:3: warning: type of 'x' defaults to 'int' [-Wimplicit-int]
/tmp/code.c:1:16: warning: implicit declaration of function 'putchar' [-Wimplicit-function-declaration]
 c;main(x){main(putchar(read(0,&c,1)>x|c)&4?1:-~x%51-c%2*51);}
                ^~~~~~~
/tmp/code.c:1:24: warning: implicit declaration of function 'read' [-Wimplicit-function-declaration]
 c;main(x){main(putchar(read(0,&c,1)>x|c)&4?1:-~x%51-c%2*51);}
                        ^~~~
/tmp/code.c:1:36: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
 c;main(x){main(putchar(read(0,&c,1)>x|c)&4?1:-~x%51-c%2*51);}
                        ~~~~~~~~~~~~^~
Segmentation fault (core dumped)

strace