Toggle_String.java

//Read description for question
import java.util.*;
public class Main
{
 public static void main(String...args)
 {
 Scanner sob=new Scanner(System.in);
 String s=sob.nextLine();
 char c[]=s.toCharArray();
 for(int i=0;i<s.length();i++)
 {
 if(c[i]>=65 && c[i]<=90)
 {
 c[i]=(char)((int)c[i]+32);
 }
 else if(c[i]==32)
 {
 c[i]=32;
 }
 else
 {
 c[i]=(char)((int)c[i]-32);
 }
 }
 String f="";
 for(int i=0;i<s.length();i++)
 {
 f=f+c[i];
 }
 System.out.println(f);
 }
}