30 lines
824 B
Java
30 lines
824 B
Java
import java.util.*;
|
|
|
|
public class Main {
|
|
public static void main(String[] args) {
|
|
Scanner sc = new Scanner(System.in);
|
|
int n = sc.nextInt(), s = sc.nextInt(), n9 = 0;
|
|
String Max = "";
|
|
if(n*9 < s || s == 0){
|
|
System.out.println("-1 -1");
|
|
return;
|
|
}
|
|
while(s>=9){
|
|
Max += "9";
|
|
n9++;
|
|
s-=9;
|
|
}
|
|
if(s!=0) Max += Integer.toString(s);
|
|
while(Max.length()<n) Max+="0";
|
|
if(n9 != n && s == 0){
|
|
n9--;
|
|
s=9;
|
|
}
|
|
if(s!=0 && n9+1 != n) System.out.print("1");
|
|
for(int i=0;i<n-n9-(s>0?2:0);i++) System.out.print("0");
|
|
if(s>0) System.out.print(n9+1!=n?s-1:s);
|
|
while(n9-->0) System.out.print("9");
|
|
System.out.printf(" %s",Max);
|
|
}
|
|
}
|