jelly, 33 bytes

Result

AC

Duration

996ms

Code [DL]

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stdin

524 446
822 293
188 788
178 163
694 442
231 933
854 548
151 913
488 974
947 644
433 269
326 269
511 116
135 635
425 285
372 252
894 636
759 779
116 619
833 225
714 425
432 339
844 266
744 661
599 943
658 547
972 523
286 559
317 114
166 165
588 882
931 138

stdout

42834383843915526763434497351681

stderr

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffeded3a6c0 /* 8 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x559e9715b028 /* 8 vars */) = 0
12    execve("/usr/bin/python3", ["/usr/bin/python3", "/root/jelly/jelly", "fu", "/volume/CODE"], 0x559e9715b078 /* 8 vars */) = 0
11    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
12    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=13, si_stime=2} ---
10    +++ exited with 0 +++