import java.util.Scanner;
class Main{
public static void main(String[]args){
//Fill your code
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
if(n%8>0&&n%8<7){
int r=n%8;
if(r<=3) {
n=n+3;
if(n%8==4) {
System.out.println(n+"LB");
}
else if(n%8==5) {
System.out.println(n+"MB");
}
else {
System.out.println(n+"UB");
}
}
else {
n=n-3;
if(n%8==1) {
System.out.println(n+"LB");
}
else if(n%8==2) {
System.out.println(n+"MB");
}
else {
System.out.println(n+"UB");
}
}
}
else {
int r=n%8;
if(r==7) {
n=n+1;
System.out.println(n+"SU");
}
else {
n=n-1;
System.out.println(n+"SL");
}
}
}
}
