n = int(input())
sq = list(map(int,input().split()))

mn = min(sq)
rsq = []
for i in range(mn,0,-1):
    if len(rsq) == n:
        break
    else:
        tsq = []
        for j in sq:
            if j % (i) == 0:
                tsq.append(j//(i))
            else:
                break
        if len(tsq) == n:
            rsq = tsq
print(":".join([str(i) for i in rsq]))