def isPrime(n):
    if n==1 : return False
    if n==2 : return True
    if n%2 == 0 : return False

    for i in range(3,int(n**0.5)+1,2):
        if n%i==0:return False
    return True

f,a,b=map(int,input().split())
flag = 0

for i in range(a,b+1):
    if isPrime(i):continue
    if flag:break
    for j in range(a+1,b+1):
        if i==j:continue
        if isPrime(j):continue
        if i*j/((i-j)**2) >= f:
            print(i,j)
            flag = 1
            break

if not flag : print("None")