d;main(b,a,c){for(;~scanf("%s%s%s",a,&b,c);c<d?printf("%.*s%s%s\n",d-c,c,&b,d+strlen(a)):puts(c))for(d=index(c,0);!strstr(--d,a););}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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