Kertotaulu

import java.util.Scanner;


public class Kertotaulu {
	public static void main(String[] args) {
		final int modulo = 1000000007;

		Scanner input = new Scanner(System.in);

		final int y1 = input.nextInt();
		final int x1 = input.nextInt();
		final int y2 = input.nextInt();
		final int x2 = input.nextInt();
		
		long leveysSumma = 0;
		long korkeusSumma = 0;

		
		
		for (int x=x1 ; x<=x2 ; x++){
			leveysSumma=leveysSumma+x;
		}
		
		//System.out.println(leveysSumma);
		
		
		
		for (int y=y1 ; y<=y2 ; y++){
			korkeusSumma=korkeusSumma+y;
		}
		
		//System.out.println(korkeusSumma);
		
		
		System.out.println(((leveysSumma%modulo) * (korkeusSumma%modulo))%modulo);

	}
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED