s[9999],*p;char*r=s;strcmp();i,j,n;main(c){for(;isalpha(c=getchar())?r[j*20+i++]=c|32:c<33?i=0,j++:1,~c;);for(qsort(p=s,j,20,strcmp);p<=s+j*5;p+=5)strcmp(r,p)?*r&&printf("%d %s\n",n,r),r=p,n=1:n++;}