import java.util.*;

import java.io.*;

class Main {

public static String StringChallenge(String str) {

// code goes here

String[] words = str.split(" ");

int counter = 0;

boolean lever = true;

String output;

for(String s : words){

counter = 0;

ArrayList<Character> digits = new ArrayList<Character>();

for(int i = 0; i< s.length() ; i++){

if(Character.isDigit(s.charAt(i))){

counter++;

digits.add(s.charAt(i));

}

if(i<s.length()-2){

if(Character.isDigit(s.charAt(i)) && Character.isDigit(s.charAt(i+1)) && Character.isDigit(s.charAt(i+2))){

lever = false;

}

}

}

Set<Character> set = new HashSet<Character>(digits);

if(set.size()<3){

lever=false;

}

}

if(lever){

output = "true";

}else{

output = "false";

}

return output;

}

public static void main (String[] args) {

// keep this function call here

Scanner s = new Scanner(System.in);

System.out.print(StringChallenge(s.nextLine()));

}

}