c-gcc, 61 bytes

Result

TLE

Code [DL]

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

stdin

                        T                         
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
                                                  
K                                                 

stdout

stderr

strace