==10811== Use of uninitialised value of size 8
==10811==    at 0x401AB3: ??? (in /workspace/Clamshell_CLI/dist/Clamshell-0.3-x86_64)
==10811==    by 0x40298C: ??? (in /workspace/Clamshell_CLI/dist/Clamshell-0.3-x86_64)
==10811==    by 0x566EA14: (below main) (libc-start.c:258)
==10811==
10 * 3 =
==10811== Use of uninitialised value of size 8
==10811==    at 0x401B0A: ??? (in /workspace/Clamshell_CLI/dist/Clamshell-0.3-x86_64)
==10811==    by 0x40298C: ??? (in /workspace/Clamshell_CLI/dist/Clamshell-0.3-x86_64)
==10811==    by 0x566EA14: (below main) (libc-start.c:258)
==10811==
==10811== Conditional jump or move depends on uninitialised value(s)
==10811==    at 0x402A00: ??? (in /workspace/Clamshell_CLI/dist/Clamshell-0.3-x86_64)
==10811==    by 0x566EA14: (below main) (libc-start.c:258)
==10811==

output of valgrind --track-origins=yes ./Clamshell-0.3-x86