SoTamPhan.java

/*
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 */
package baitap;
import java.util.*;
/**
 *
 * @author khanh
 */
public class SoTamPhan {
    public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
        int t=sc.nextInt();
        sc.nextLine();
        while(t-->0){
            String s=sc.nextLine();
            int l=s.length();
            int cc=1;
            for(int i=0;i<l;i++){
                if(s.charAt(i)!='0' && s.charAt(i)!='1' && s.charAt(i)!='2'){
                    cc=0;
                    break;
                }
            }
            System.out.println(cc==1?"YES":"NO");
        }
    }
}