You need to comment out the unused variables.
package com.codegym.task.task01.task0123;
/*
We don't need any extra lines
*/
public class Solution {
public static void main(String[] args) {
int a = 10;
int b = 15;
double c = b + 38;
//int d = a + 12;
//double e = 12.3;
String s = "s" + a;
String s1 = a + "b";
//String s2 = "a";
String s3 = s1 + "a";
String s4 = s3 + "b";
System.out.print(c + s4 + s);
}
}