Çàäà÷à . Ñóììà ÷èñåë ïîñëåäîâàòåëüíîñòè - Çàäàíèå 1

import java.util.Scanner;  

public class Main  

{  

    public static void main(String[] args) {  

        Scanner in = new Scanner(System.in);  

        int i, s, b;  

         //Çíà÷åíèå ïåðåìåííîé b íåîáõîäèìî ââåñòè ñ êëàâèàòóðû. Íàïèøèòå ñîîòâåòñòâóþùèé îïåðàòîð çäåñü  

        s = 0;  //îáíóëÿåì ïåðåìåííóþ s, ÷òîáû íàêàïëèâàòü ðåçóëüòàò ñóììû  

        for (i = __; i<=___; i++) // èçìåíåíèå ïåðåìåííîé i â íóæíîì íàì äèàïàçîíå  

            s = s + i;  // íàêîïëåíèå ñóììû  

        System.out.println(s);  

    }  

}