C (gcc), 171 bytes, score 14 main(){}prtf&+

#define f(c,d)for(k=c+1;k--;)printf(#d); n;k;g(){f(n,main)}main(c){for(;c=~getchar(g());){f(,(a){)f(c+38?-2-c:9507,if(++a))f(,if\50)g(++n);f(,(printf(&a))\51{}})}f(,(){})} 

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