Dump of assembler code for function main:
   0x0000000000400660 <+0>:	push   rbp
   0x0000000000400661 <+1>:	push   rbx
   0x0000000000400662 <+2>:	xor    esi,esi
   0x0000000000400664 <+4>:	sub    rsp,0x118
   0x000000000040066b <+11>:	mov    rdi,QWORD PTR [rip+0x2009fe]        # 0x601070 <stdout@@GLIBC_2.2.5>
   0x0000000000400672 <+18>:	mov    rax,QWORD PTR fs:0x28
   0x000000000040067b <+27>:	mov    QWORD PTR [rsp+0x108],rax
   0x0000000000400683 <+35>:	xor    eax,eax
   0x0000000000400685 <+37>:	call   0x400600 <setbuf@plt>
   0x000000000040068a <+42>:	lea    rdx,[rsp+0x7]
   0x000000000040068f <+47>:	xor    eax,eax
   0x0000000000400691 <+49>:	mov    ecx,0x101
   0x0000000000400696 <+54>:	mov    rdi,rdx
   0x0000000000400699 <+57>:	rep stos BYTE PTR es:[rdi],al
   0x000000000040069b <+59>:	call   0x400640 <getpagesize@plt>
   0x00000000004006a0 <+64>:	neg    eax
   0x00000000004006a2 <+66>:	xor    r9d,r9d
   0x00000000004006a5 <+69>:	or     r8d,0xffffffff
   0x00000000004006a9 <+73>:	mov    ebx,eax
   0x00000000004006ab <+75>:	mov    ecx,0x22
   0x00000000004006b0 <+80>:	mov    edx,0x7
   0x00000000004006b5 <+85>:	and    ebx,0x4096
   0x00000000004006bb <+91>:	xor    edi,edi
   0x00000000004006bd <+93>:	movsxd rsi,ebx
   0x00000000004006c0 <+96>:	call   0x4005f0 <mmap@plt>
   0x00000000004006c5 <+101>:	mov    edi,0x4008c4
   0x00000000004006ca <+106>:	mov    rbp,rax
   0x00000000004006cd <+109>:	call   0x4005e0 <puts@plt>
   0x00000000004006d2 <+114>:	mov    rdx,QWORD PTR [rip+0x2009a7]        # 0x601080 <stdin@@GLIBC_2.2.5>
   0x00000000004006d9 <+121>:	mov    esi,ebx
   0x00000000004006db <+123>:	mov    rdi,rbp
   0x00000000004006de <+126>:	call   0x400620 <fgets@plt>
   0x00000000004006e3 <+131>:	mov    rdi,QWORD PTR [rip+0x200996]        # 0x601080 <stdin@@GLIBC_2.2.5>
   0x00000000004006ea <+138>:	call   0x400630 <fflush@plt>
   0x00000000004006ef <+143>:	mov    rdx,rbp
   0x00000000004006f2 <+146>:	movzx  eax,BYTE PTR [rdx]
   0x00000000004006f5 <+149>:	cmp    al,0xa
   0x00000000004006f7 <+151>:	je     0x400712 <main+178>
   0x00000000004006f9 <+153>:	cmp    BYTE PTR [rsp+rax*1+0x7],0x0
   0x00000000004006fe <+158>:	sete   cl
   0x0000000000400701 <+161>:	add    BYTE PTR [rsp+0x107],cl
   0x0000000000400708 <+168>:	inc    rdx
   0x000000000040070b <+171>:	or     BYTE PTR [rsp+rax*1+0x7],0x1
   0x0000000000400710 <+176>:	jmp    0x4006f2 <main+146>
   0x0000000000400712 <+178>:	cmp    BYTE PTR [rsp+0x107],0x7
   0x000000000040071a <+186>:	jbe    0x40072d <main+205>
   0x000000000040071c <+188>:	mov    edi,0x4008cf
   0x0000000000400721 <+193>:	call   0x4005e0 <puts@plt>
   0x0000000000400726 <+198>:	mov    edi,0x1
   0x000000000040072b <+203>:	jmp    0x400731 <main+209>
   0x000000000040072d <+205>:	call   rbp
   0x000000000040072f <+207>:	xor    edi,edi
   0x0000000000400731 <+209>:	call   0x4005d0 <_exit@plt>