In file included from main.cpp:8:0:
num.cpp: In member function 'Num& Num::operator-=(const Num&)':
num.cpp:52:5: error: expected ';' before '}' token
     }
     ^
num.cpp: In member function 'Num& Num::operator-=(int)':
num.cpp:75:5: error: expected ';' before '}' token
     }
     ^