View Compilation Error

0_0_37761786_26105.cpp: In function 'int main()':
0_0_37761786_26105.cpp:39:6: error: 'y' was not declared in this scope
     }y
      ^
0_0_37761786_26105.cpp:43:17: error: 'ok' was not declared in this scope
                 ok=1;
                 ^
0_0_37761786_26105.cpp:47:12: error: 'ok' was not declared in this scope
         if(ok){
            ^