import java.util.Scanner;

public class MultiPasswordGen{
	public	static	void	main(String[] args){
		
		Scanner input = new Scanner(System.in);
		System.out.print("Please insert the size of your password.\n");
		int passlength = input.nextInt();
		System.out.print("Would you like to have multiple passwords printed? (0 = No, X = Amount)\n");
		int passmulti = input.nextInt();
		password(passlength, passmulti);
		
	}
	
	public	static	void	password(int length, int quantity){
		int i,k;
		if(length <= 0)
			length = (int)(Math.random() * 50);
		if(quantity <= 0)
			quantity = 1;
		int[][] password = new int[length][quantity];
		
		for(k = 0; k < quantity; k++){
			for(i = 0; i < length; i++){
				switch((int)(1 + (Math.random() * 3))){
					case 1:
						int offsetLarge = 'Z'-'A';
						int letterLarge = (int)('A' + (Math.random() * offsetLarge));
						password[i][k] = letterLarge;
						break;
					case 2:
						int offsetSmall = 'z'-'a';
						int letterSmall = (int)('a' + (Math.random() * offsetSmall));
						password[i][k] = letterSmall;
						break;
					case 3:
						int offsetNumber = '9'-'0';
						int number = (int)('0' + (Math.random() * offsetNumber));
						password[i][k] = number;
						break;
				}
			}
		}
		for(k = 0; k < quantity; k++){
			System.out.print("Your password: ");
	   		for(i = 0; i < password.length; i++){
	   			System.out.print((char)password[i][k]);
	   		}
			System.out.print("\n");
		}
	}
}