Language: C

K,B,n,*p;main(N,S){for(;scanf("%d%d",&N,&K)*N;n=!puts(n&1?"No":"Yes"))for(;~N--;n|=2)for(p=S+K*4;S-p--;n|=*p<0)scanf("%d",&B),*p=n?*p-B:B;}

Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | K,B,n,*p;main(N,S){for(;scanf("%d%d",&N,&K)*N;n=!puts(n&1?"No":"Yes"))for(;~N--;n|=2)for(p=S+K*4;S-p--;n|=*p<0)scanf("%d",&B),*p=n?*p-B:B;}
      | ^
main.c:1:1: error: type defaults to 'int' in declaration of 'K' [-Wimplicit-int]
main.c:1:3: error: type defaults to 'int' in declaration of 'B' [-Wimplicit-int]
    1 | K,B,n,*p;main(N,S){for(;scanf("%d%d",&N,&K)*N;n=!puts(n&1?"No":"Yes"))for(;~N--;n|=2)for(p=S+K*4;S-p--;n|=*p<0)scanf("%d",&B),*p=n?*p-B:B;}
      |   ^
main.c:1:5: error: type defaults to 'int' in declaration of 'n' [-Wimplicit-int]
    1 | K,B,n,*p;main(N,S){for(;scanf("%d%d",&N,&K)*N;n=!puts(n&1?"No":"Yes"))for(;~N--;n|=2)for(p=S+K*4;S-p--;n|=*p<0)scanf("%d",&B),*p=n?*p-B:B;}
      |     ^
main.c:1:8: error: type defaults to 'int' in declaration of 'p' [-Wimplicit-int]
    1 | K,B,n,*p;main(N,S){for(;scanf("%d%d",&N,&K)*N;n=!puts(n&1?"No":"Yes"))for(;~N--;n|=2)for(p=S+K*4;S-p--;n|=*p<0)scanf("%d",&B),*p=n?*p-B:B;}
      |        ^
main.c:1:10: error: return type defaults to 'int' [-Wimplicit-int]
    1 | K,B,n,*p;main(N,S){for(;scanf("%d%d",&N,&K)*N;n=!puts(n&1?"No":"Yes"))for(;~N--;n|=2)for(p=S+K*4;S-p--;n|=*p<0)scanf("%d",&B),*p=n?*p-B:B;}
      |          ^~~~
main.c: In function 'main':
main.c:1:10: error: type of 'N' defaults to 'int' [-Wimplicit-int]
main.c:1:10: error: type of 'S' defaults to 'int' [-Wimplicit-int]
main.c:1:25: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    1 | K,B,n,*p;main(N,S){for(;scanf("%d%d",&N,&K)*N;n=!puts(n&1?"No":"Yes"))for(;~N--;n|=2)for(p=S+K*4;S-p--;n|=*p<0)scanf("%d",&B),*p=n?*p-B:B;}
      |                         ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | K,B,n,*p;main(N,S){for(;scanf("%d%d",&N,&K)*N;n=!puts(n&1?"No":"Yes"))for(;~N--;n|=2)for(p=S+K*4;S-p--;n|=*p<0)scanf("%d",&B),*p=n?*p-B:B;}
main.c:1:25: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    1 | K,B,n,*p;main(N,S){for(;scanf("%d%d",&N,&K)*N;n=!puts(n&1?"No":"Yes"))for(;~N--;n|=2)for(p=S+K*4;S-p--;n|=*p<0)scanf("%d",&B),*p=n?*p-B:B;}
      |                         ^~~~~
main.c:1:25: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:1:50: error: implicit declaration of function 'puts' [-Wimplicit-function-declaration]
    1 | K,B,n,*p;main(N,S){for(;scanf("%d%d",&N,&K)*N;n=!puts(n&1?"No":"Yes"))for(;~N--;n|=2)for(p=S+K*4;S-p--;n|=*p<0)scanf("%d",&B),*p=n?*p-B:B;}
      |                                                  ^~~~
main.c:1:50: note: include '<stdio.h>' or provide a declaration of 'puts'
main.c:1:91: error: assignment to 'int *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
    1 | K,B,n,*p;main(N,S){for(;scanf("%d%d",&N,&K)*N;n=!puts(n&1?"No":"Yes"))for(;~N--;n|=2)for(p=S+K*4;S-p--;n|=*p<0)scanf("%d",&B),*p=n?*p-B:B;}
      |                                                                                           ^
main.c:1:99: error: invalid operands to binary - (have 'int' and 'int *')
    1 | K,B,n,*p;main(N,S){for(;scanf("%d%d",&N,&K)*N;n=!puts(n&1?"No":"Yes"))for(;~N--;n|=2)for(p=S+K*4;S-p--;n|=*p<0)scanf("%d",&B),*p=n?*p-B:B;}
      |                                                                                                   ^~~~
      |                                                                                                     |
      |                                                                                                     int *