n = int(input())

for i in range(1,n+1):
    l = []
    for j in range(1,i+1):
        if i % j == 0:
            l.append(j)
        else:
            pass
    if len(l) == n-1:
        ans = i % 998244353
        print(ans)
        exit()
    else:
        pass