#include <stdio.h>

#define NO_CHR 0xffff

int

main(int argc, char *argv[])

{

  unsigned int target_map[0x100];

  unsigned int source_map[0x100];

  unsigned char xlt[0x100];

  unsigned int ucs2_map[0x10000];

  FILE *f;

  int i;

  int c;

  f = fopen(argv[1], "r");

  for (i = 0; i < 0x100; i++)

    fscanf(f, "%x", source_map + i);

  fclose(f);

  f = fopen(argv[2], "r");

  for (i = 0; i < 0x100; i++)

    fscanf(f, "%x", target_map + i);

  fclose(f);

  for (i = 0; i < 0x100; i++)

    xlt[i] = (unsigned char)i;

  for (i = 0; i < 0x10000; i++)

    ucs2_map[i] = NO_CHR;

  for (i = 0xff; i >= 0; i--) {

    if (target_map[i] != NO_CHR)

      ucs2_map[target_map[i]] = (unsigned int)i;

  }

  for (i = 0xff; i >= 0; i--) {

    if (source_map[i] != NO_CHR

        && ucs2_map[source_map[i]] != NO_CHR)

      xlt[i] = (unsigned char)ucs2_map[source_map[i]];

  }

  while ((c = getchar()) != EOF)

    putchar(xlt[c]);

  return 0;

}

/* vim: ts=2

 */