View Compilation Error

0_0_33513885_25646.cpp:3:6: error: expected constructor, destructor, or type conversion before ';' token
   int main()
      ^
0_0_33513885_25646.cpp:3:12: error: expected constructor, destructor, or type conversion before ';' token
   int main()
            ^
0_0_33513885_25646.cpp: In function 'int main()':
0_0_33513885_25646.cpp:7:2: error: 'nbsp' was not declared in this scope
       int i,m,n,a,sum;
  ^