#include<stdio.h>
#include<string.h>
int sum(int);
int main(void)
{
  int i,flag=0;
  char key[26],message[100];
  gets(key);
  gets(message);
  if(message[0]>='A'&&message[0]<='Z')
  {
    message[0]+=32;
    flag=1;
  }
  for(i=0;i<strlen(message);i++)
  {
    if(message[i]==' ')
    {
      printf(" ");
      continue;
    }
    if(i!=0)printf("%c",key[message[i]-'a']);
    else printf("%c",(flag==1)?key[message[i]-'a']-32:key[message[i]-'a']);
  }
  return 0;
}