package _string; import java.util.Scanner; public class I2_2 { public static void main(String[] args) { Scanner input = new Scanner(System.in); String input1 = input.nextLine(); String answer = ""; // for (char c : input1.toCharArray()) { // if (Character.isUpperCase(c)) { // answer = answer + Character.toLowerCase(c); // }else { // answer = answer + Character.toUpperCase(c); // } // } for (char c : input1.toCharArray()) { if (c<97) { answer = answer + (char)(c+32); }else { answer = answer + (char)(c-32); } } System.out.println(answer); } }