#include<iostream>
#include<cstring>
using namespace std;

char x[256], y[256];

int main()
{
    cin>>x;
    cin>>y;
    if(strlen(x)<=strlen(y))
    {
        cout<<x<<" ";
        cout<<y;
    }
    else
    {
        cout<<y<<" ";
        cout<<x;
    }
    return 0;
}


#include<iostream>
#include<cstring>
using namespace std;
char x[256];
char y[256];
char z[256];
char w[6]="aeiou";

int main()
{
    cin>>x;
    int i;
    int l1=-1;
    int l2=-1;
    for(i=0;i<strlen(x);i++)
    {
        if(strchr(w,x[i]))
        {
            y[++l1]=x[i];
        }
        else
        {
            z[++l2]=x[i];
        }
    }

    cout<<y<<"\n";
    cout<<z;
    return 0;
}


#include<iostream>
#include<cstring>
using namespace std;
char x[256];
int main()
{
    cin.getline(x, 256);
    int lMari=0;
    int lMici=0;
    int i;
    for(i=0;i<strlen(x);i++)
    {
        if(x[i]>='A' && x[i]<='Z')
        {
            lMari++;
        }
        if(x[i]>='a' && x[i]<='z')
        {
            lMici++;
        }
    }
    cout<<lMari<<"\n";
    cout<<lMici;
    return 0;
}


#include<iostream>
#include<cstring>
using namespace std;
char x[256];
int main()
{
    cin>>x;
    int st=0;
    int dr=strlen(x)-1;
    int gresite=0;

    while(st<dr)
    {
        if(x[st]!=x[dr])
        {
            gresite++;
            break;
        }
        st++;
        dr--;
    }
    if(gresite==0)
    {
        cout<<"DA";
    }
    else
    {
        cout<<"NU";
    }
    return 0;


}



#include<iostream>
#include<cstring>
#include<climits>
using namespace std;
char x[256];

int main()
{
    int n,i;
    cin>>n;
    int m;


    int lMax=INT_MIN;
    for(i=1; i<=n; i++)
    {
        cin>>x;

        m=strlen(x);
        if(m>lMax)
        {
            lMax=m;
        }
    }
    cout<<lMax;
    return 0;
}



#include<iostream>
#include<cstring>
using namespace std;
char x[256];
int main()
{
    int i;
    cin.getline(x, 256);
    int s=0;
    for(i=0;i<strlen(x);i++)
    {
        if(x[i]>='0' && x[i]<='9')
        {
            s=s+x[i]-48;
        }
    }
    cout<<s;
    return 0;
}