View Compilation Error

0_0_28646520_6370.cpp: In function 'int main()':
0_0_28646520_6370.cpp:10:13: error: declaration does not declare anything [-fpermissive]
   long long int ;
             ^
0_0_28646520_6370.cpp:11:3: error: 'k' was not declared in this scope
   k=b+c;
   ^