#include <stdio.h>
int main()
{
char a[81];
int i,cnt=0;
for(i=0;i<81;i++){
scanf("%c",&a[i]);
cnt++;
if(a[i]=='\n')
break;
}
for(i=0;i<cnt-2;i++){
if(a[i]<='M'&&a[i]>='A'){
a[i]=a[i]+('M'-a[i])*2+1;
}
else if(a[i]<='Z'&&a[i]>='N'){
a[i]=a[i]-(a[i]-'N')*2-1;
}
printf("%c",&a[i]);
}
return 0;
}