#include<iostream>
using namespace std;

int Suma ( char a[201] )
{
    int sum = 0;
    int i;   
    for  ( i = 0 ; i < strlen(a) ; i++ )
         if ( a[i] >= '0' && a[i] <= '9' )
            sum = sum + a[i] - 48;
         else
             return -1;
    
    return sum;
}

int main()
{
    char a[201], b[201];
    cin >> a >> b;   
    if ( Suma(a) != -1 && Suma(b) != -1 )
       if ( Suma(a) < Suma(b) )
          cout << b;
       else
          cout << a;
   else
       cout << "nu ati introdus corect numerele";      
   system("pause");   
   return 0;
}