ХЕЛП!
package com.javarush.task.task03.task0309;
/*
Сумма 5 чисел
*/
public class Solution {
public static void main(String[] args) {
System.out.println(1);
System.out.println(1+1);
System.out.println(1+2+3);
System.out.println(1+2+3+4);
System.out.println(1+2+3+4+5);
}
}