import java.util.Scanner;

public class Main {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        String adjective1;
        String noun1;
        String adjective2;
        String verb1;
        String adjective3;

        System.out.println("Enter an adjective (description): ");
        adjective1 = scanner.nextLine();

        System.out.println("Enter a noun (person or thing): ");
        noun1 = scanner.nextLine();

        System.out.println("Enter an adjective (description): ");
        adjective2 = scanner.nextLine();

        System.out.println("Enter a verb ending with -ing (action): ");
        verb1 = scanner.nextLine();

        System.out.println("Enter another adjective (description): ");
        adjective3 = scanner.nextLine();

        System.out.println("\nToday I went to a " + adjective1 + " zoo.");
        System.out.println("In a exhibit, I saw a " + noun1 + ".");
        System.out.println(noun1 + " was " + adjective2 + " and " + verb1 + "!");
        System.out.println("I was " + adjective3 + "!");

        scanner.close();
    }
}

if (age >= 0 && age <= 18) {
    alert("You are a kid, get your passport and learn something!");
} else if (age >= 19 && age <= 50) {
    alert("You should work!");
} else if (age >= 51 && age <= 59) {
    alert("You will retire soon!");
} else if (age >= 60 && age <= 150) {
    alert("You are likely a pensioner, if you are still alive...");
} else if (age > 150) {
    alert("Are you even human? ");
} else {
    alert("Something went wrong!");
}

int main() {
    int age;
    
    printf("Enter your age: ");
    scanf("%d", &age);

    if (age > 0 && age <= 18) {
        printf("You are a kid, get your pass up and learn something!\n");
    } else if (age > 19 && age <= 50) {
        printf("You are ought to work!\n");
    } else if (age > 51 && age <= 59) {
        printf("You will get retired soon!\n");
    } else if (age > 60 && age <= 150) {
        printf("You are likely to be pensioner, if you are still alive...\n");
    } else if (age > 151) {
        printf("You are alive?\n");
    } else {
        printf("Something went wrong!\n");
    }

    return 0;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);


        int age;

        System.out.print("Enter your age: ");
        age = scanner.nextInt();

         if (age >= 65) {

            System.out.println("You are a senior! ");
        }else if (age >= 18) {

             System.out.println("You are an adult! ");
         } else if (age < 0) {

            System.out.println("You haven't been born yet! ");

        } else if (age == 0) {
            System.out.println("You are a baby! ");

        } else {

            System.out.println("You are a child! ");
        }

         scanner.close();

    }
}

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {

        // Calculator program

        Scanner scanner = new Scanner(System.in);

        double num1;
        double num2;
        char operator;
        double result = 0;
        boolean validOperation = true;

        System.out.print("Enter the first number: ");
        num1 = scanner.nextDouble();

        System.out.print("Enter an operator (+, -,/, ^): ");
        operator = scanner.next().charAt(0);

        System.out.print("Enter the second number: ");
        num2 = scanner.nextDouble();

        switch (operator){
            case '+' -> result = num1 + num2;
            case '-' -> result = num1 - num2;
            case '*' -> result = num1 * num2;
            case '/' -> {
                if (num2 == 0) {
                    System.out.println("Cannot divide by zero!");
                    validOperation = false;
                } else {
                    result = num1 / num2;
                }
            }
            case '^' -> result = Math.pow(num1, num2);
            default -> {
                System.out.println("Invalid operator!");
                validOperation = false;
            }

        }
        if(validOperation) {
            System.out.println(result);
        }

        scanner.close();
    }
}