s = "568714523645873"
r = [[] for i in range(10)]
for i in range(len(s)):
    r[int(s[i])].append(i)

n = "2357"
p = ""
for i in range(len(r)):
    if(str(i) in n):
        p += str(i)+" - "
        for j in r[i]:
            p += str(j)+" "
        p += "\n"
print(p)