# Gunther's much quicker solution
N = eval(input("Enter the start point N: "))
M = eval(input("Enter the end point M: "))
print("The palindromic primes are: ")

for i in range (N + 1,M):
    j = str(i)
    k = j[::-1]
    if j == k :
        l = int(j)
        if l > 1:
            for m in range(2,l):
                if (l % m) == 0:
                    break
            else:
                print(l)