/in/foo.c:1:1: warning: data definition has no type or storage class
    1 | nums = list(map(int, input().split(',')))
      | ^~~~
/in/foo.c:1:1: warning: type defaults to 'int' in declaration of 'nums' [-Wimplicit-int]
/in/foo.c:1:8: warning: implicit declaration of function 'list' [-Wimplicit-function-declaration]
    1 | nums = list(map(int, input().split(',')))
      |        ^~~~
/in/foo.c:1:13: warning: implicit declaration of function 'map' [-Wimplicit-function-declaration]
    1 | nums = list(map(int, input().split(',')))
      |             ^~~
/in/foo.c:1:17: error: expected expression before 'int'
    1 | nums = list(map(int, input().split(',')))
      |                 ^~~
/in/foo.c:2:1: error: expected ',' or ';' before 'k'
    2 | k = int(input())
      | ^