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Problem Statment

**A new automobile company manufactures both two-wheeler (TW) and four-wheeler (FW). Unfortunately, there is no monitoring system placed to count the number of two-wheelers and the number of four-wheelers separately but there is a system that counts the total number of vehicles produced per day. There is also a system that counts the number of tyres manufactured a day. Given the number of vehicles manufactured and the number of wheels consumed, print the number of two-wheelers and the number of four-wheelers the company has produced on the given day.**

****Sample input**:**

**– First line: A single, non-negative integer value V that denotes the number of vehicles manufactured the given day.**

**– Second line: A single, non-negative integer value W that denotes the number of tyres consumed to manufacture V vehicles.**

****Sample output**:**

**– First line: Number of two-wheelers.**

**– Second line: Number of four-wheelers.**

****Constraints:****

**“`**

**2 <= W**

**W % 2=0**

**V < W**

**“`**

**– Print “INVALID INPUT”, if inputs did not meet the constraints.**

****Example****

**– Input :**

**“`**

**200**

**540**

**“`**

**– Output :**

**“`**

**130**

**70**

**“`**

**– Explanation:**

** – 130+70 = 200 vehicles**

** – (70*4)+(130*2)= 540 wheels**

**Program in C**

```
#include <stdio.h>
int main() {
int vehicles, wheels;
scanf("%d%d", &vehicles, &wheels);
if (wheels & 1 || wheels < 2 || wheels <= vehicles) {
printf("INVALID INPUT");
return 0;
}
int wheels_cars = vehicles * 4; // Number of expected wheels if all given vehicles are to be cars.
int surplus_wheels = wheels_cars - wheels; // If all the vehicles were to be cars,
// number of extra wheels that would be required more than given wheels.
int no_of_bikes = surplus_wheels / 2;
int no_of_cars = vehicles - no_of_bikes;
printf("%d\n%d", no_of_bikes, no_of_cars);
return 0;
}
```

Program in C++

```
#include <iostream>
int main() {
int vehicles, wheels;
std::cin >> vehicles >> wheels;
if (wheels & 1 || wheels < 2 || wheels <= vehicles) {
std::cout << "INVALID INPUT";
return 0;
}
int wheels_cars = vehicles * 4; // Number of expected wheels if all given vehicles are to be cars.
int surplus_wheels = wheels_cars - wheels; // If all the vehicles were to be cars,
// number of extra wheels that would be required more than given wheels.
int no_of_bikes = surplus_wheels / 2;
int no_of_cars = vehicles - no_of_bikes;
std::cout << no_of_bikes << std::endl << no_of_cars;
return 0;
}
```

Program in JAVA

```
import java.util.Scanner;
class Main {
public static void main (String args[]) {
Scanner in = new Scanner(System.in);
int vehicles = in.nextInt();
int wheels = in.nextInt();
in.close();
if (wheels % 2 == 1 || wheels < 2 || wheels <= vehicles) {
System.out.print("INVALID INPUT");
return;
}
int wheels_cars = vehicles * 4; // Number of expected wheels if all given vehicles are to be cars.
int surplus_wheels = wheels_cars - wheels; // If all the vehicles were to be cars,
// number of extra wheels that would be required more than given wheels.
int no_of_bikes = surplus_wheels / 2;
int no_of_cars = vehicles - no_of_bikes;
System.out.print(no_of_bikes + "\n" + no_of_cars);
}
}
```

Program in Python

```
if __name__ == "__main__":
vehicles = int(input())
wheels = int(input())
if (wheels & 1 == 1 or wheels < 2 or wheels <= vehicles):
print("INVALID INPUT")
exit(0)
wheels_cars = vehicles * 4; # Number of expected wheels if all given vehicles are to be cars.
surplus_wheels = wheels_cars - wheels; # If all the vehicles were to be cars,
# number of extra wheels that would be required more than given wheels.
no_of_bikes = surplus_wheels // 2
no_of_cars = vehicles - no_of_bikes
print(int(no_of_bikes))
print(int(no_of_cars), end='')
```

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