#include <stdio.h>
#include <string.h>
main()
{
	char a[50];
	int i;
	gets(a);
	for(i=0;i<=strlen(a);i++)
	{
		if((a[i]>='a'&&a[i]<='w')||(a[i]>='A'&&a[i]<='W'))
			a[i]+=3;
		if(a[i]=='x'||a[i]=='y'||a[i]=='z'||a[i]=='X'||a[i]=='Y'||a[i]=='Z')
			a[i]-=23;
		if(a[i]>='a'&&a[i]<='z')
			a[i]=a[i]-'a'+'A';
		if(a[i]>='A'&&a[i]<='Z')
			a[i]=a[i]-'A'+'a';			
	}
	for(i=strlen(a);i>=0;i--)
		printf("%c",a[i]);
	return 0;
}