import cs1.*;
public class zadaci_2_4_zadatak
{
static String funkcija(String x)
{
String s = "";
int a = x.length();
int niz[] = new int[26];
for(int i=0; i<26; i++)
niz[i]=0;
for(int i=0; i=max)
{
max = niz[i];
indeks = i;
}
char karakter = (char)(indeks + 'a');
for(int i=0; i