/in/foo.c:1:1: warning: data definition has no type or storage class
 x=int(input());y=int(input('请输入y())
 ^
/in/foo.c:1:1: warning: type defaults to 'int' in declaration of 'x' [-Wimplicit-int]
/in/foo.c:1:3: error: expected expression before 'int'
 x=int(input());y=int(input('请输入y())
   ^~~
/in/foo.c:1:16: warning: data definition has no type or storage class
 x=int(input());y=int(input('请输入y())
                ^
/in/foo.c:1:16: warning: type defaults to 'int' in declaration of 'y' [-Wimplicit-int]
/in/foo.c:1:18: error: expected expression before 'int'
 x=int(input());y=int(input('请输入y())
                  ^~~
/in/foo.c:1:28: warning: missing terminating ' character
 x=int(input());y=int(input('请输入y())
                            ^
/in/foo.c:1:28: error: missing terminating ' character
 x=int(input());y=int(input('请输入y())
                            ^~~~~~~~~~~~~~