def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)

    divisors.sort()
    return divisors

N = int(input())
l = list(map(int,input().split()))

divi_l = make_divisors(l[0])
divi_l.reverse()

for l_i in divi_l:
    ans = ""
    for ll_i in l:
        if ll_i % l_i == 0:
            ans += str(ll_i//l_i) +":"
        else:
            break
    else:
        break

print(ans[:-1])