import java.util.*;

public class Exercise105{
  public static void main (String[] args){

    Scanner sc = new Scanner(System.in);

    String sb = sc.next();
    char[] sbArray = sb.toCharArray();
    int sbO = getCount(sbArray, 'o');
    int n = sc.nextInt();
    String sa = sc.next();
    char[] saArray = sa.toCharArray();
    int saO = getCount(saArray, 'o');

    if(sbO != saO){
      System.out.println("SUCCESS");
      return;
    }else if(sbO > 0 && saO > 0){
      if(n == 0 && !Arrays.equals(sbArray, saArray)){
        System.out.println("SUCCESS");
        return;
      }else if(n == 1){
        if(sbArray[0] != sbArray[2] && saArray[0] != saArray[2] && sbArray[0] != saArray[0]){
          System.out.println("SUCCESS");
          return;
        }else if(sbArray[0] != sbArray[1] && sbArray[0] == sbArray[2] && sbArray[1] == saArray[1]){
          System.out.println("SUCCESS");
          return;
        }
      }
    }
    System.out.println("FAILURE");
  }
  private static int getCount(char[] array, char p){
    int count = 0;
    for(char y: array){
      if(y == p){
        count++;
      }
    }
    return count;
  }
}