.L5: #function 51
    subq $16,%rsp # get space in the stack
    pushq %rdx # save the second pointer
    pushq %rsi # save the first pointer

    leaq -1(%rbp), %rsi # here it's sacnf just for the \n
    movl $dummyIn, %edi # deuumyIn = %c
    xor %rax, %rax # make eax zero
    call scanf # scanf

    leaq -1(%rbp), %rsi # set the first argument to be in rsi
    leaq -2(%rbp), %rdx # set the seconde argument to be in rdx
    xor %rdi, %rdi # make rdi zero (for using edi)
    movl $twoChars, %edi # tow chars = %c %c
    xor %rax, %rax # make rax zero
    call scanf # sacnf
    movb -2(%rbp), %dl # put the new char in dl
    movb -1(%rbp), %sil # put the old char in sil

    popq %rdi # get the frist string
    call replaceChar # call the replaceChar function
    leaq 4(%rax), %rcx # put the pointer to the string in rcx
    popq %rdi # pop the pointer to the second string
    call replaceChar # call the replaceChar function
    leaq 4(%rax), %r8 # put the pointer to the string in r8

    movq $fun52string, %rdi # put the string stractur in rdi
    xor %rax, %rax # make rax zero
    call printf # call printf
    jmp .TheEnd # jump to the end :)