View Compilation Error

0_0_25556007_14221.cpp:14:5: error: stray '\243' in program
     if(a.l>a.r&&b.l，=b.r) return true;
     ^
0_0_25556007_14221.cpp:14:5: error: stray '\254' in program
0_0_25556007_14221.cpp: In function 'bool operator<(Z, Z)':
0_0_25556007_14221.cpp:14:22: error: lvalue required as left operand of assignment
     if(a.l>a.r&&b.l，=b.r) return true;
                      ^