I know something is wrong with my code, i just don't know what. Please help me. Thank you.
package com.codegym.task.task04.task0412;
/*
Positive and negative numbers
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
int number = System.in.read();
if (number > 0){
System.out.println(number * 2);
}
else if (number < 0){
System.out.println(number + 1);
}
else {
System.out.println(0);
}
}
}