import java.util.*;
import java.io.*;

public class Main{
  static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
  static int[] input;
  
  public static void main(String[] args) throws IOException {
    parseInput();
    if(check1() && check2()) {
      System.out.println("Strong");
    } else {
      System.out.println("Weak");
    }
  }
  
  public static boolean check1() {
    boolean result = false;
    for(int i = 0; i < input.length - 1; i++) {
      if(input[i] != input[i + 1]) {
        result = true;
        break;
      }
    }
    return result;
  }
  
  public static boolean check2() {
    boolean result = false;
    for(int i = 0; i < input.length - 1; i++) {
      if((input[i] != 9 && input[i] + 1 != input[i + 1]) || (input[i] == 9 && input[i + 1] != 0)) {
        result = true;
        return result;
      }
    }
    return result;
  }
  
  public static void parseInput() throws IOException {
    String[] args = br.readLine().split("");
    input = new int[args.length];
    for(int i = 0; i < args.length; i++) {
      input[i] = Integer.parseInt(args[i]);
    }
  }
}