class Main {
public static void main(String[] args) {
System.out.println(relativeValue(7));
System.out.println(relativeValue(56));
System.out.println(relativeValue(125));
System.out.println(relativeValue(1025));
System.out.println(relativeValue(14029));
System.out.println(relativeValue(235003));
}
public static String relativeValue(int number) {
// Thanks to https://stackoverflow.com/a/40774675
String[] suffix = new String[]{"K","M","B","T"};
int size = (number != 0) ? (int) Math.log10(number) : 0;
if (size >= 3){
while (size % 3 != 0) {
size = size - 1;
}
}
double notation = Math.pow(10, size);
double value = (size >= 3) ? (Math.round((number / notation) * 100) / 100.0d) : number;
String strReturn = value + "";
strReturn = strReturn.contains(".") ? strReturn.replaceAll("0*$","").replaceAll("\\.$","") : strReturn;
return (size >= 3) ? strReturn + suffix[(size/3) - 1] : strReturn;
}
}
