View Compilation Error

0_0_23822973_2649.cpp: In function 'int main()':
0_0_23822973_2649.cpp:25:3: error: jump to label 'END' [-fpermissive]
   END:
   ^
0_0_23822973_2649.cpp:13:9: error:   from here [-fpermissive]
    goto END;
         ^
0_0_23822973_2649.cpp:15:7: error:   crosses initialization of 'int tmp'
   int tmp=(a-b)*k-b;
       ^