第三关
还是先附上代码
0000000000400ef9<phase_3>:
400ef9: 4883 ec 18 sub $0x18, %rsp
400efd: 488d 4c 24 08 lea 0x8(%rsp), %rcx
400f02: 488d 54 24 0c lea 0xc(%rsp), %rdx
400f07: bebe 1e 40 00 mov $0x401ebe, %esi
400f0c: b800 00 00 00 mov $0x0, %eax
400f11: e8 9a fb ff ff callq 400ab0 <__isoc99_sscanf@plt>
400f16: 83f8 01 cmp $0x1, %eax
400f19: 7f05 jg 400f20<phase_3+0x27>
400f1b: e