View Compilation Error

0_0_32027866_21068.cpp: In function 'int main()':
0_0_32027866_21068.cpp:4:2: error: 'nbsp' was not declared in this scope
     int a,b;
  ^
0_0_32027866_21068.cpp:11:44: error: 'else' without a previous 'if'
         else
                                            ^