#include <iostream>
#include <climits>

using namespace std;
int main()
{
    int a,b,maxxa=INT_MIN,maxxb=INT_MIN,minna1=INT_MAX,minna2=INT_MAX,minnb1=INT_MAX,minnb2=INT_MAX,uc;
    cin>>a>>b;
    while(a)
    {
        uc=a%10;
        if(uc>maxxa)
            maxxa=uc;
        if(uc==0)
            minna1=uc;
        else
            if(uc<minna2)
            minna2=uc;
        a/=10;
    }
    while(b)
    {
        uc=b%10;
        if(uc>maxxb)
            maxxb=uc;
        if(uc==0)
            minnb1=uc;
        else
            if(uc<minnb2)
            minnb2=uc;
        b/=10;
    }
    if(maxxa>maxxb)
        cout<<maxxa*10+maxxb<<" ";
    else
        cout<<maxxb*10+maxxa<<" ";
    if(minna1!=0 && minnb1!=0)
    {
        if(minna2<minnb2)
            cout<<minna2*10+minnb2;
        else
            cout<<minnb2*10+minna2;
    }
    else
    {
        if(minna1==0 && minnb1!=0)
            cout<<minnb2*10;
        else
        {
            if(minna1!=0 && minnb1==0)
                cout<<minna2*10;
            else
            {
                if(minna1==0 && minnb1==0)
                {
                    if(minnb2<minna2)
                        cout<<minnb2*10;
                    else
                        cout<<minna2*10;
                }
            }
        }
    }
    return 0;
}