import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.NoSuchElementException;
import java.util.Scanner;
 
 
 
public class Main {
	static PrintWriter out = new PrintWriter(System.out);
	static FastScanner sc = new FastScanner();
	static Scanner stdIn = new Scanner(System.in);
	public static void main (String[] args) {
		int n = sc.nextInt();
		Data[] d1 = new Data[n];
		Data[] d2 = new Data[n];
		for(int i = 0; i < n; i++) {
			char[] in = sc.next().toCharArray();
			d1[i] = new Data(p(in),i,in);
			d2[i] = new Data(p(in),i,in);
		}
		bubbleSort(d1,n);
		selectionSort(d2,n);
		
		
		System.out.print(String.valueOf(d1[0].data));
		for(int i = 1; i < n; i++) {
			System.out.print(" " + String.valueOf(d1[i].data));
		}
		System.out.println();
		System.out.println((isStable(d1)?"Stable":"Not stable"));
		
		System.out.print(String.valueOf(d2[0].data));
		for(int i = 1; i < n; i++) {
			System.out.print(" " + String.valueOf(d2[i].data));
		}
		System.out.println();
		System.out.println((isStable(d2)?"Stable":"Not stable"));
		
		
		
	}
	
	static boolean isStable(Data[] c) {
		int n = c.length;
		for(int i = 0; i < n-1; i++) {
			if(c[i].value == c[i+1].value) {
				if(c[i].id >= c[i+1].id) return false;
			}
		}
		return true;
	}
	static int p(char[] in) {
		return (in[1] - '1');
	}
	static void bubbleSort(Data[] C, int N) {
		for(int i = 0; i < N; i++) {
				for (int j = N-1; j > i; j--) {
					if (C[j].value < C[j-1].value) {
						swap(j,j-1,C);
					}
				}
		}
	}
	static void selectionSort(Data[] C, int N) {
		for (int i = 0; i < N; i++) {
			int minj = i;
			for (int j = i; j < N; j++) {
				if(C[j].value < C[minj].value) {
					minj = j;
				}
			}
			swap(i,minj,C);
		}
	}
	static void swap(int a, int b, Data[] c) {
		Data tmp = c[a];
		c[a] = c[b];
		c[b] = tmp;
	}
	static class Data {
		int value;
		int id;
		char[] data;
		Data(int value, int id, char[] data) {
			this.value = value;
			this.id = id;
			this.data = data;
		}
	}
}	
 
 
//------------------------------//
class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        }else{
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
    private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
    private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;}
    public boolean hasNext() { skipUnprintable(); return hasNextByte();}
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    
    public int nextInt() {
         if (!hasNext()) throw new NoSuchElementException();
         int n = 0;
         boolean minus = false;
         int b = readByte();
         if (b == '-') {
             minus = true;
             b = readByte();
         }
         if (b < '0' || '9' < b) {
             throw new NumberFormatException();
         }
         while(true){
             if ('0' <= b && b <= '9') {
                 n *= 10;
                 n += b - '0';
             }else if(b == -1 || !isPrintableChar(b)){
                 return minus ? -n : n;
             }else{
                 throw new NumberFormatException();
             }
             b = readByte();
         }
    }
    
    public double nextDouble() {
        return Double.parseDouble(next());
    }
    
 
}

Measured memory_bytes: 26220