foo.c: In function 'main':
foo.c:6:13: warning: left-hand operand of comma expression has no effect [-Wunused-value]
    6 |         0<=x,y<=32767;
      |             ^
foo.c:6:13: warning: statement with no effect [-Wunused-value]
foo.c:7:22: error: expected ')' before '\U0000ff0c'
    7 |         scanf("%d %d"，&x,&y);
      |              ~       ^~
      |                      )
foo.c:7:17: warning: format '%d' expects a matching 'int *' argument [-Wformat=]
    7 |         scanf("%d %d"，&x,&y);
      |                ~^
      |                 |
      |                 int *
foo.c:7:20: warning: format '%d' expects a matching 'int *' argument [-Wformat=]
    7 |         scanf("%d %d"，&x,&y);
      |                   ~^
      |                    |
      |                    int *

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