// Online Java Compiler
// Use this editor to write, compile and run your Java code online

class Niz1 {
    public static void main(String[] args) {
        //dolžina 6, male črke in št
        String gesloA = "";
        for (int i = 0; i < 6; i++){
            int izberi = (int)(Math.random()*2);
            if (izberi == 0){
                char crka = (char)('a' + (int)(Math.random()*26));
                gesloA += crka;
            }
            else{
                char stevka = (char)('0' + (int)(Math.random()*10));
                gesloA += stevka;
            }
        }
        System.out.println("Geslo A = "+gesloA);
        
        //dolžina 10, male črke in št in velike črke
        String gesloB = "";
        for (int i = 0; i < 10; i++){
            int izberi = (int)(Math.random()*3);
            if (izberi == 0){
                char crka = (char)('a' + (int)(Math.random()*26));
                gesloB += crka;
            }
            else if (izberi == 1){
                char stevka = (char)('0' + (int)(Math.random()*10));
                gesloB += stevka;
            }
            else{
                char velika = (char)('A' + (int)(Math.random()*26));
                gesloB += velika;
            }
        }
        System.out.println("Geslo B = "+gesloB);
        
        //dolžina 12, male črke in št in velike črke in znaki
        String gesloC = "";
        for (int i = 0; i < 12; i++){
            int izberi = (int)(Math.random()*4);
            if (izberi == 0){
                char crka = (char)('a' + (int)(Math.random()*26));
                gesloC += crka;
            }
            else if (izberi == 1){
                char stevka = (char)('0' + (int)(Math.random()*10));
                gesloC += stevka;
            }
            else if (izberi == 2){
                char velika = (char)('A' + (int)(Math.random()*26));
                gesloC += velika;
            }
            else{
                char znak = (char)(33 + (int)(Math.random()*15));
                gesloC += znak;
            }
        }
        System.out.println("Geslo C = "+gesloC);
        
        
    }
}