/in/foo.c:1:1: warning: data definition has no type or storage class
    1 | a = list(map(int, input().split(",")))
      | ^
/in/foo.c:1:1: warning: type defaults to 'int' in declaration of 'a' [-Wimplicit-int]
/in/foo.c:1:5: warning: implicit declaration of function 'list' [-Wimplicit-function-declaration]
    1 | a = list(map(int, input().split(",")))
      |     ^~~~
/in/foo.c:1:10: warning: implicit declaration of function 'map' [-Wimplicit-function-declaration]
    1 | a = list(map(int, input().split(",")))
      |          ^~~
/in/foo.c:1:14: error: expected expression before 'int'
    1 | a = list(map(int, input().split(",")))
      |              ^~~
/in/foo.c:2:1: error: expected ',' or ';' before 'n'
    2 | n = int(input())
      | ^