import java.util.Scanner;

public class FirstPrograming {
    public static void main(String[] args) {
        
        System.out.println("welcome java programing: ");
        
        Scanner scanner = new Scanner(System.in);
        
        System.out.println("Enter number one: ");
        int numOne = scanner.nextInt();
        System.out.println("Enter number Two: ");
        int numTwo = scanner.nextInt();
        System.out.println("Enter number three: ");
        int numThree = scanner.nextInt();
        
        int sum= numOne+numTwo-numThree;
        
        System.out.println("sum of two numbers is: " +sum);
        
    }
}