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

int main ( void )
{
    int a, b, c, d; short int ja, da, sa, jb, db, sb;
    scanf ( "%d%d", &a, &b );
    
    ja = a % 10;
    da = ( a / 10 ) % 10;
    sa = a / 100;
    
    jb = b % 10;
    db = ( b / 10 ) % 10;
    sb = b / 100;
    
    c = ja * 100 + da * 10 + sa;
    d = jb * 100 + db * 10 + sb;
    
    if ( c > d )
    printf ( "%d", c);
    else if ( c < d )
    printf ( "%d", d );
    else if ( c == d )
    printf ( "%d", c);
     
    char x;
    cin >> x;
}