0_0_38815712_642.cpp:25:1: error: stray '\241' in program
25 | <a1><a2><a1><a2>
| ^~~~
0_0_38815712_642.cpp:25:2: error: stray '\242' in program
25 | <a1><a2><a1><a2>
| ^~~~
0_0_38815712_642.cpp:25:3: error: stray '\241' in program
25 | <a1><a2><a1><a2>
| ^~~~
0_0_38815712_642.cpp:25:4: error: stray '\242' in program
25 | <a1><a2><a1><a2>
| ^~~~
|