#include <iostream>
bool digit(char c) { return ('0' <= c) && (c <= '9');}

main()
{
    while (!cin.eof()) 
    {   char c;

	// skip non-digits
	while ( !cin.eof() && !digit( c = cin.get() ) );

	if (!cin.eof())
	{ // process number
	    int sum = c - '0'; int sign = -1; 
	    cout.put(c);
	    while ( digit( c = cin.get() ) )
	    {   cout.put(c); sum += sign*(c-'0'); sign = -sign; }
	    cout << " is " << ( sum%11 ? "not " : "" ) 
	         << "divisible by 11" << endl;
	}
    }
}