#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

bool first_last(int n) {
    int last = n % 10;
    int first = n;
    while (first > 9) {
        first /= 10;
    }
    return first == last;
}

int main() {
    int n, k;
    cin >> k >> n;
    vector<bool> nums(n + 1, true);
    for (ll i = 2; i < n + 1; ++i) {
        if (nums[i]) {
            for (ll j = i * i; j < n + 1; j += i)
                nums[j]= false;
        }
    }
    bool flag = true;
    for (int i = k; i <= n; ++i) {
        if (nums[i] && first_last(i)) {
            cout << i << " ";
            flag = false;
        }
    }
    if (flag) cout << 0;
    // return 0;
}
// ----------------------------------------------------------

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

bool odd_sum(int n) {
    int sum = 0;
    while (n > 9) {
        sum += n % 10;
        n /= 10;
    }
    return (sum + n) % 2 == 0;
}

int main() {
    int n, k;
    cin >> k >> n;
    vector<bool> nums(n + 1, true);
    for (ll i = 2; i < n + 1; ++i) {
        if (nums[i]) {
            for (ll j = i * i; j < n + 1; j += i)
                nums[j]= false;
        }
    }
    bool flag = true;
    for (int i = k; i <= n; ++i) {
        if (nums[i] && odd_sum(i)) {
            cout << i << " ";
            flag = false;
        }
    }
    if (flag) cout << 0;
    // return 0;
}
// --------------------------------------------------------------
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

bool odd_sum(int n) {
    int prev = n % 10;
    int cur;
    while (n > 9) {
        n /= 10;
        cur = n % 10;
        if (cur <= prev) {
            return false;
        }
        prev = cur;
    }
    return true;
}

int main() {
    int n, k;
    cin >> k >> n;
    vector<bool> nums(n + 1, true);
    for (ll i = 2; i < n + 1; ++i) {
        if (nums[i]) {
            for (ll j = i * i; j < n + 1; j += i)
                nums[j]= false;
        }
    }
    bool flag = true;
    for (int i = k; i <= n; ++i) {
        if (nums[i] && odd_sum(i)) {
            cout << i << " ";
            flag = false;
        }
    }
    if (flag) cout << 0;
    // return 0;
}