/in/foo.c: In function 'main':
/in/foo.c:5:12: error: stray '\357' in program
     int x,y，z;
            ^
/in/foo.c:5:13: error: stray '\274' in program
     int x,y，z;
             ^
/in/foo.c:5:14: error: stray '\214' in program
     int x,y，z;
              ^
/in/foo.c:5:15: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'z'
     int x,y，z;
               ^
/in/foo.c:6:22: error: 'y' undeclared (first use in this function)
     scanf("%d%d",&x,&y);
                      ^
/in/foo.c:6:22: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c:8:3: error: 'z' undeclared (first use in this function)
   z=y*(y+2)+x-y;
   ^