I'm fairly certain that I have written faulty code, but what part of my code needs fixing I'm clueless about. Thanks for the input Though :)

main.cpp:36:1: warning: control may reach end of non-void function [-Wreturn-type]
}
^
main.cpp:57:6: error: unknown type name 'lon'; did you mean 'long'?
}lon
^~~
long
main.cpp:58:1: error: expected member name or ';' after declaration specifiers
};
^
1 warning and 2 errors generated.

what?