// Arup Guha
// 9/10/2026
// Solution to Fall 2026 COP 3330 Exam #1 Questions #3, #4

import java.util.*;

public class e1q34 {

	public static void main(String[] args) {

		String s = "thieisastringwithabunchoftsandsssowecantestit";
		printLocs_q3(s, 't');
		printLocs_q4(s, 't');
	}
	
	public static void printLocs_q3(String str, char ch) {
		for (int i=0; i<str.length(); i++)
			if (str.charAt(i) == ch)
				System.out.print(i+" ");
		System.out.println();
	}

	public static void printLocs_q4(String str, char ch) {
		int idx = 0;
		while (true) {
			idx = str.indexOf(ch, idx);
			if (idx == -1) break;
			System.out.print(idx+" ");
			idx++;
		}
	}
}