View Compilation Error

0_0_35788530_23698.cpp: In function 'bool bfs1()':
0_0_35788530_23698.cpp:27:69: error: expected primary-expression before ')' token
   if (start.x < 0 || start.y < 0 || start.x >= n || start.y >= m || )return true;
                                                                     ^