View Compilation Error

0_0_30861713_4327.cpp: In function 'int bfs(p, p)':
0_0_30861713_4327.cpp:56:29: error: expected primary-expression at end of input
   if(d[fro.val] > 7) return -
                             ^
0_0_30861713_4327.cpp:56:29: error: expected ';' at end of input
0_0_30861713_4327.cpp:56:29: error: expected '}' at end of input
0_0_30861713_4327.cpp:56:29: error: expected '}' at end of input