#include<bits/stdc++.h>
#include<cstring>
using namespace std;
int x[30]={0};
int main(){
    int c=0,d=100,s=0,b;
	string a;
    cin>>a;
    for(int i=0;i<a.length();i++){
        if(a[i]=='a') {x[0]++;}
        if(a[i]=='b') {x[1]++;}
        if(a[i]=='c') {x[2]++;}
        if(a[i]=='d') {x[3]++;}
        if(a[i]=='e') {x[4]++;}
        if(a[i]=='f') {x[5]++;}
        if(a[i]=='g') {x[6]++;}
        if(a[i]=='h') {x[7]++;}
        if(a[i]=='i') {x[8]++;}
        if(a[i]=='j') {x[9]++;}
        if(a[i]=='k') {x[10]++;}
        if(a[i]=='l') {x[11]++;}
        if(a[i]=='m') {x[12]++;}
        if(a[i]=='n') {x[13]++;}
        if(a[i]=='o') {x[14]++;}
        if(a[i]=='p') {x[15]++;}
        if(a[i]=='q') {x[16]++;}
        if(a[i]=='r') {x[17]++;}
        if(a[i]=='s') {x[18]++;}
        if(a[i]=='t') {x[19]++;}
        if(a[i]=='u') {x[20]++;}
        if(a[i]=='v') {x[21]++;}
        if(a[i]=='w') {x[22]++;}
        if(a[i]=='x') {x[23]++;}
        if(a[i]=='y') {x[24]++;}
        if(a[i]=='z') {x[25]++;}
    }
    for(int j=0;j<26;j++){
        if(x[j]>c){
            c=x[j];
        }
        if(x[j]<d&&x[j]!=0){
            d=x[j];
        }
    }
    b=c-d;
    for(int k=2;k<=9;k++){
        if(b%k!=0&&b!=0&&b!=1){
            cout<<"Lucky Word"<<endl;
            cout<<b;
            s++;
            break;
        }

    }
    if(s==0){
        cout<<"No Answer"<<endl;
        cout<<0;
    }
    return 0;
}