/*
* Add any license header using tools << templates << licenses << default license
*/
package Strings;
import java.util.Scanner;
/**
* @author mukul goyal
*/
public class Pangrams {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String s1 = sc.nextLine();
String s = s1.toLowerCase();
int flag=0;
int l = s.length();
for(int i=0;i<26;i++){
flag=0;
for(int j=0;j