Main.c: In function 'main':
Main.c:4:5: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'scanf'
    4 |     scanf("d",&x);
      |     ^~~~~
Main.c:4:16: error: 'x' undeclared (first use in this function)
    4 |     scanf("d",&x);
      |                ^
Main.c:4:16: note: each undeclared identifier is reported only once for each function it appears in
Main.c:7:5: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'scanf\U0000ff08'
    7 |     scanf（"%d",&a）;
      |     ^~~~~~~
Main.c:7:5: error: 'scanf\U0000ff08' undeclared (first use in this function); did you mean 'scanf'?
    7 |     scanf（"%d",&a）;
      |     ^~~~~~~
      |     scanf
Main.c:7:12: error: expected ';' before string constant
    7 |     scanf（"%d",&a）;
      |            ^~~~
      |            ;
Main.c:8:8: error: 'a' undeclared (first use in this function)
    8 |     if(a%4==0&&a%100!=0)
      |        ^
Main.c:11:19: error: expected ';' before '\U0000ff1b'
   11 |     printf("no
")；}
      |                   ^~
      |                   ;