char *s[]={"nagi","nbou","sagi","ni","kanku","n","","usu","naraion"," nakamaga popopopo-n","tanoshii","yukaina"},t[99];a,p;main(l){for(;gets(t);printf("%s\n",strcat(t,s[l+a])))l=strlen(t)-6,a=t[l+5]==97&&l-1,p=l-3?l-5?0:9:4,p&&(t[p]=0,l=7),l>9&&(strcpy(t,s[l]),l=9);}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).