Java 明明愛明明

題目: 明明愛明明

import java.util.Scanner;

public class Palindrome{
    public static Scanner sc = new Scanner(System.in);
 
    public static void main(String args[]){
        while(sc.hasNext()){
            String str = sc.nextLine();
            int[] i = new int[26];
            for(char c : str.toCharArray()){
                if(c >= 'a' && c <= 'z'){
                    i[c-97] += 1;
                }
                else if(c >= 'A' && c <= 'Z'){
                    i[c-65] += 1;
                }
            }
            int o = 0;
            for(int j : i){
                if(j % 2 == 1){
                    o += 1;
                }
            }
            if(o > 1) System.out.println("no...");
            else System.out.println("yes !");
        }
    }
}