/in/foo.c: In function 'main':
/in/foo.c:7:15: error: expected ')' before '\U0000ff0c\U0000ff06x1'
    7 |  scanf("%d %d"，＆x1,&x2);
      |       ~       ^~~~~~
      |               )
/in/foo.c:7:10: warning: format '%d' expects a matching 'int *' argument [-Wformat=]
    7 |  scanf("%d %d"，＆x1,&x2);
      |         ~^
      |          |
      |          int *
/in/foo.c:7:13: warning: format '%d' expects a matching 'int *' argument [-Wformat=]
    7 |  scanf("%d %d"，＆x1,&x2);
      |            ~^
      |             |
      |             int *
/in/foo.c: At top level:
/in/foo.c:15:10: error: 'a' undeclared here (not in a function)
   15 | int gcd =a;
      |          ^
/in/foo.c:16:11: error: 'b' undeclared here (not in a function)
   16 | int lcm=a*b/gcd;
      |           ^
/in/foo.c:17:12: error: expected declaration specifiers or '...' before string constant
   17 |     printf("%d %d\n",gcd,lcm);
      |            ^~~~~~~~~
/in/foo.c:17:22: error: expected declaration specifiers or '...' before 'gcd'
   17 |     printf("%d %d\n",gcd,lcm);
      |                      ^~~
/in/foo.c:17:26: error: expected declaration specifiers or '...' before 'lcm'
   17 |     printf("%d %d\n",gcd,lcm);
      |                          ^~~
/in/foo.c:18:1: error: expected identifier or '(' before 'return'
   18 | return 0;
      | ^~~~~~
/in/foo.c:19:1: error: expected identifier or '(' before '}' token
   19 | }
      | ^