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why TL please help me

import java.util.*;
public class Main {

public static void main(String[] args) {
Scanner in=new Scanner(System.in);
while(in.hasNext()){
String s;
s=in.nextLine();
for(int i=0;i<s.length();i++)
{
//char t=(char)((int)s.charAt(i)-7);

System.out.printf("%c",s.charAt ...