A.main(intargc,char*argv[]){while(--argc>1)printf("%s\n",*++argv);}
B.main(intargc,char*argv[]){while(argc-->=1)printf("%s\n",*++argv);}
C.main(intargc,char*argv[]){while(argc-->1)printf("%s\n",*++argv);}
D.main(intargc,char*argv[]){while(argc>1)prinif("%s\n",*++argv);}