Arghobasak / BMI-calculation

// Clear explain cod

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner input = new Scanner(System.in); int age; double height, weight, BMI1, BMI2;

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

System.out.print("Enter your height: ");
height = input.nextDouble();

System.out.print("Enter your weight: ");
weight = input.nextDouble();

BMI1 = 655 + (9.6 * weight) + (1.8 * height) - (4.7 * age);
BMI2 = 66 + (13.7 * weight) + (5 * height) - (6.8 * age);

System.out.println();

System.out.println("Your normal BMI is (M): "+BMI1+" calory");
System.out.println("Your normal BMI is (F): "+BMI2+" calory");

System.out.println();

char ch1, ch2, ch3, ch4, ch5;
System.out.print("Worke out? (y/n): ");
ch1 = input.next().charAt(0);
System.out.print("Light work out, weekly 2-3 days played? (y/n): ");
ch2 = input.next().charAt(0);
System.out.print("Work out, weekly 2-3 days very played? (y/n): ");
ch3 = input.next().charAt(0);
System.out.print("Worke out, weekly everydays very played? (y/n): ");
ch4 = input.next().charAt(0);
System.out.print("Very hard work, very rub and played? (y/n): ");
ch5 = input.next().charAt(0);

double work1;
work1 = BMI1 * 1.2;
double work2;
work2 = BMI1 * 1.375;
double work3;
work3 = BMI1 * 1.55;
double work4;
work4 = BMI1 * 1.725;
double work5;
work5 = BMI1 * 1.9;

double workF1;
workF1 = BMI2 * 1.2;
double workF2;
workF2 = BMI2 * 1.375;
double workF3;
workF3 = BMI2 * 1.55;
double workF4;
workF4 = BMI2 * 1.725;
double workF5;
workF5 = BMI2 * 1.9;

System.out.println();

if (ch1 == 'y') {
  System.out.println("Your corect BMI is (M): "+work1+" calory");
}
else if (ch2 == 'y') {
  System.out.println("Your corect BMI is (M): "+work2+" calory");
}
else if (ch3 == 'y') {
  System.out.println("Your corect BMI is (M): "+work3+" calory");
}
else if (ch4 == 'y') {
  System.out.println("Your corect BMI is (M): "+work4+" calory");
}
else if (ch5 == 'y') {
  System.out.println("Your corect BMI is (M): "+work5+" calory");
}
else {
  System.out.print("Sorry, You are a not human !!");
}
if (ch1 == 'y') {
  System.out.print("Your corect BMI is (F): "+workF1+" calory");
}
else if (ch2 == 'y') {
  System.out.print("Your corect BMI is (F): "+workF2+" calory");
}
else if (ch3 == 'y') {
  System.out.print("Your corect BMI is (F): "+workF3+" calory");
}
else if (ch4 == 'y') {
  System.out.print("Your corect BMI is (F): "+workF4+" calory");
}
else if (ch5 == 'y') {
  System.out.print("Your corect BMI is (F): "+workF5+" calory");
}
else {
  System.out.print("Sorry, You are a not human !!");
}

} }