S_before=input() N=int(input()) S_after=input() coin_before=S_before.count('o') coin_after=S_after.count('o') #コインの数が違う if coin_after!=coin_before: print("SUCCESS") exit() #コインが0または3つ if coin_before==0 or coin_before==3: print("FAILURE") exit() #コインが1つまたは2つ if N<1: if S_before!=S_after: print("SUCCESS") else: print("FAILURE") exit() elif N==1: if (coin_before==1 and S_before[0]=='o' and S_after[2]=='o') or \ (coin_before==1 and S_before[2]=='o' and S_after[0]=='o') or \ (coin_before==2 and S_before[0]=='x' and S_after[2]=='x') or \ (coin_before==2 and S_before[2]=='x' and S_after[0]=='x') or \ (coin_before==1 and S_before[1]==S_after[1] and S_before[1]=='o') or \ (coin_before==2 and S_before[1]==S_after[1] and S_before[1]=='x'): print("SUCCESS") else: print("FAILURE") exit() else: print("FAILURE") exit()