#include <iostream>

using namespace std;

int main() {
    long long a, b, maxa, maxb, mina, minb, mina0, minb0;
    cin >> a >> b;
    for (maxa = 0, mina = 10; a != 0; a/=10) {
        if (a%10 > maxa)
            maxa = a % 10;
        if (a%10 < mina && a % 10 != 0)
            mina = a % 10;
        if (a % 10 == 0)
            mina0 = 0;
    }
    for (maxb = 0, minb = 10; b != 0; b/=10) {
        if (b%10 > maxb)
            maxb = b % 10;
        if (b%10 < minb && b %10 != 0)
            minb = b % 10;
        if (b % 10 == 0)
            minb0 = 0;
    }

    if (mina0 == 0) {
        if (minb <= mina)
            cout << minb * 10 << " ";
    }
    else if (minb0 == 0) {
        if (mina <= minb)
            cout << mina * 10 << " ";
    }
    else if (mina < minb)
        cout << mina * 10 + minb << " ";
    else
        cout << minb * 10 + mina << " ";

    if (maxa > maxb)
        cout << maxa * 10 + maxb;
    else
        cout << maxb * 10 + maxa;
    return 0;
}