#include <stdio.h>

/* Russian UTF-8 => translit;
   English letters, \, and ' are placed in backquotes `
   Backquotes ` are replaced by \`
*/

struct letter {
  int  byte1;
  int  byte2;
  char name [3];
};

struct letter letter [] =
   { {0xd0, 0x81, "Yo"},
     {0xd0, 0x90, "A"},  {0xd0, 0x91, "B"},  {0xd0, 0x92, "V"},
     {0xd0, 0x93, "G"},  {0xd0, 0x94, "D"},  {0xd0, 0x95, "E"},
     {0xd0, 0x96, "Zh"}, {0xd0, 0x97, "Z"},  {0xd0, 0x98, "I"},
     {0xd0, 0x99, "J"},  {0xd0, 0x9a, "K"},  {0xd0, 0x9b, "L"},
     {0xd0, 0x9c, "M"},  {0xd0, 0x9d, "N"},  {0xd0, 0x9e, "O"},
     {0xd0, 0x9f, "P"},
     {0xd0, 0xa0, "R"},  {0xd0, 0xa1, "S"},  {0xd0, 0xa2, "T"},
     {0xd0, 0xa3, "U"},  {0xd0, 0xa4, "F"},  {0xd0, 0xa5, "X"},
     {0xd0, 0xa6, "C"},  {0xd0, 0xa7, "Ch"}, {0xd0, 0xa8, "Sh"},
     {0xd0, 0xa9, "S#"}, {0xd0, 0xaa, "Q"},  {0xd0, 0xab, "W"},
     {0xd0, 0xac, "\\'"}, {0xd0, 0xad, "Eh"}, {0xd0, 0xae, "Yu"},
     {0xd0, 0xaf, "Ya"},
     {0xd0, 0xb0, "a"},  {0xd0, 0xb1, "b"},  {0xd0, 0xb2, "v"},
     {0xd0, 0xb3, "g"},  {0xd0, 0xb4, "d"},  {0xd0, 0xb5, "e"},
     {0xd0, 0xb6, "zh"}, {0xd0, 0xb7, "z"},  {0xd0, 0xb8, "i"},
     {0xd0, 0xb9, "j"},  {0xd0, 0xba, "k"},  {0xd0, 0xbb, "l"},
     {0xd0, 0xbc, "m"},  {0xd0, 0xbd, "n"},  {0xd0, 0xbe, "o"},
     {0xd0, 0xbf, "p"},
     {0xd1, 0x80, "r"},  {0xd1, 0x81, "s"},  {0xd1, 0x82, "t"},
     {0xd1, 0x83, "u"},  {0xd1, 0x84, "f"},  {0xd1, 0x85, "x"},
     {0xd1, 0x86, "c"},  {0xd1, 0x87, "ch"}, {0xd1, 0x88, "sh"},
     {0xd1, 0x89, "s#"}, {0xd1, 0x8a, "q"},  {0xd1, 0x8b, "w"},
     {0xd1, 0x8c, "'"}, {0xd1, 0x8d, "eh"}, {0xd1, 0x8e, "yu"},
     {0xd1, 0x8f, "ya"},
     {0xd1, 0x91, "yo"}
   };

main ()
{
  int next, after, i;

  next = getchar ();
  while (next != EOF) {
    after = getchar ();
    for (i=0; i<66; i++) {
      if (letter[i].byte1 == next && letter[i].byte2 == after) {
        printf ("%s", letter[i].name);
        next = getchar ();
        break;
      }
    }
    if (i == 66) /* not found */ {
      int print_backquotes;
      print_backquotes = (next == '\'' || next == '\\' || 
                          ('a' <= next && next <= 'z') ||
                          ('A' <= next && next <= 'Z'));
      if (print_backquotes) {
        putchar ('`');
      }
      if (next == '`') {
        putchar ('\\');
      }

      putchar (next);

      if (print_backquotes) {
        putchar ('`');
      }

      next = after;
    }
  }
}