View Compilation Error

0_0_17228207_7376.cpp: In function 'int main()':
0_0_17228207_7376.cpp:65:1: error: jump to label 'ok' [-fpermissive]
 ok:
 ^
0_0_17228207_7376.cpp:37:10: error:   from here [-fpermissive]
     goto ok;
          ^
0_0_17228207_7376.cpp:40:13: error:   crosses initialization of 'long long int tr'
   long long tr=r;
             ^