#0  0x0000000000400db4 in ?? ()
#1  0x0000000000401265 in ?? ()
#2  0x00007f654197d1c4 in __libc_start_main () from /lib/libc.so.6
#3  0x0000000000400b79 in ?? ()
#4  0x00007fff49edf5b8 in ?? ()
#5  0x0000000000000000 in ?? ()