void rot13(char c[]){
  int i;
  i=0;
  while(c[i]!=0){
   if(c[i]<='a' && c[i]>='z')
    c=c[i]+13;
   if (c[i]>='A' && c[i]<='Z')
    c=c[i]+13;
   else
   c[i]=c[i];
    i++;
  }
}
void main(){
   int x;
   scanf("%d",&x);
   gets(x);
   rot13(x);
   printf("%s\n",x);
}