n = input() m = (n[1:len(n)-1:1]).split(",") k = input() flag = 0 for i,j in enumerate(m,0): if j==k: print(i,end=" ") flag = 1 if flag == 0: print(-1)

n = eval(input()) a = int(input()) c = True for i in range(len(n)): if n[i] == a: c = False print(i,end = ' ') if c: print(-1)