View Code of Problem 1

import java.util.Scanner;
public class day {
	public static void main(String[] args){
		Scanner scanner=new Scanner(System.in);
		int a=scanner.nextInt();
		int b=scanner.nextInt();
		System.out.println(a+b);
	}
}
/*
Main.java:2: error: class day is public, should be declared in a file named day.java
public class day {
       ^
1 error
*/