#include <stdio.h>

char * small [] =
   { "a", "b", "v", "g", "d", "e", "e", "zh", "z", "i",
     "j", "k", "l", "m", "n", "o", "p", "r", "s", "t",
     "u", "f", "h", "ts", "ch", "sh", "sch", "'", "y", "'",
     "e", "ju", "ja"
   };

char * large [] =
   { "A", "B", "V", "G", "D", "E", "E", "Zh", "Z", "I",
     "J", "K", "L", "M", "N", "O", "P", "R", "S", "T",
     "U", "F", "H", "Ts", "Ch", "Sh", "Sch", "'", "Y", "'",
     "E", "Ju", "Ja"
   };

int koi8r [] =
   { 0xC1, 0xC2, 0xD7, 0xC7, 0xC4, 0xC5, 0xA3, 0xD6, 0xDA, 0xC9,
     0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD2, 0xD3, 0xD4,
     0xD5, 0xC6, 0xC8, 0xC3, 0xDE, 0xDB, 0xDD, 0xD8, 0xD9, 0xDF,
     0xDC, 0xC0, 0xD1
   };

int Koi8r [] =
   { 0xE1, 0xE2, 0xF7, 0xE7, 0xE4, 0xE5, 0xB3, 0xF6, 0xFA, 0xE9,
     0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF2, 0xF3, 0xF4,
     0xF5, 0xE6, 0xE8, 0xE3, 0xFE, 0xFB, 0xFD, 0xF8, 0xF9, 0xFF,
     0xFC, 0xE0, 0xF1
   };

int win1251 [] =
   { 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xB8, 0xE6, 0xE7, 0xE8,
     0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2,
     0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC,
     0xFD, 0xFE, 0xFF
   };

int Win1251 [] =
   { 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xA8, 0xC6, 0xC7, 0xC8,
     0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2,
     0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC,
     0xDD, 0xDE, 0xDF
   };

int tryrus (int next, int RusCodes [], char * Translit [], FILE *out)
{
  int i;
  for (i=0; i<33; i++)
    {
      if (RusCodes [i] == next)
        break;
    }
  if (i==33)
    return 0;
  else
    {
      fprintf (out, "%s", Translit [i]);
      return 1;
    }
}

main ()
{
  FILE *win, *koi;
  int next;

  printf ("decoding...\n");

  win = fopen ("win1251.out", "w");
  koi = fopen ("koi8r.out", "w");

  while ( (next = getchar()) != EOF)
    {
      if (!tryrus (next, win1251, small, win))
        if (!tryrus (next, Win1251, large, win))
           fputc (next, win);

      if (!tryrus (next, koi8r, small, koi))
        if (!tryrus (next, Koi8r, large, koi))
           fputc (next, koi);
    }
 
  printf ("done\n");
}