View Compilation Error

0_0_38824036_26399.cpp:46:37: error: stray '\321' in program
   46 |         while(scanf("%d",&num)!=EOF)<d1><f9><b5><U+0123><a1>
      |                                     ^~~~
0_0_38824036_26399.cpp:46:38: error: stray '\371' in program
   46 |         while(scanf("%d",&num)!=EOF)<d1><f9><b5><U+0123><a1>
      |                                         ^~~~
0_0_38824036_26399.cpp:46:39: error: stray '\265' in program
   46 |         while(scanf("%d",&num)!=EOF)<d1><f9><b5><U+0123><a1>
      |                                             ^~~~
0_0_38824036_26399.cpp:46:41: error: stray '\241' in program
   46 |         while(scanf("%d",&num)!=EOF)<d1><f9><b5><U+0123><a1>
      |                                                         ^~~~
0_0_38824036_26399.cpp:43:5: error: redefinition of 'int main()'
   43 | int main()
      |     ^~~~
0_0_38824036_26399.cpp:4:5: note: 'int main()' previously defined here
    4 | int main()
      |     ^~~~
0_0_38824036_26399.cpp: In function 'int main()':
0_0_38824036_26399.cpp:46:40: error: '\U00000123' was not declared in this scope
   46 |         while(scanf("%d",&num)!=EOF)样的！
      |                                        ^