import java.io.BufferedReader;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.NoSuchElementException;
import java.util.Scanner;
import java.util.Set;
import java.util.StringTokenizer;

public class Main {
	
	public static class Value {
		long val, zero;
		
		
		public Value(long val, long zero){
			//System.out.println(val);
			this.val = val;
			this.zero = zero;
		}
		
		public Value(long val){
			this(val, 0);
		}
		
		public Value(Value v){
			this(v.val, v.zero);
		}
		
		public static BigInteger LONGMAX = BigInteger.valueOf(Long.MAX_VALUE);
		public static Value mul(Value a, Value b){
			long zero = a.zero + b.zero;
			BigInteger value = BigInteger.valueOf(a.val).multiply(BigInteger.valueOf(b.val));
			
			if(value.compareTo(LONGMAX) > 0){
				// 18桁
				zero += value.toString().length() - 18;
				value = new BigInteger(value.toString().substring(0, 18));
			}
			
			return new Value(value.longValue(), zero);
		}
		
		public String toString(){
			String str = Long.toString(this.val);
			//System.out.println(str);
			
			return str.charAt(0) + " " + (str.length() == 1 ? "0" : str.charAt(1)) + " " + (this.zero + Math.max(0, str.length() - 1)) ;
		}
	}
	
	public static Value pow(Value A, long B){
		if(B == 1){ return new Value(A); }
		if(B % 2 != 0){ return Value.mul(A, pow(A, B - 1)); }
		
		//System.out.println("A = " + A);
		//System.out.println("B = " + B);
		final Value ret = pow(A, B / 2);
		//System.out.println("RET = " + ret);
		
		return Value.mul(ret, ret);
	}
	
	public static void main(String[] args) throws IOException{
		FastScanner sc = new FastScanner();
		
		final int N = (int)(sc.nextLong());
		PrintWriter pw = new PrintWriter(System.out);
		
		for(int tt = 0; tt < N; tt++){
			final long A = sc.nextLong();
			final long B = sc.nextLong();
			
			pw.println(pow(new Value(A), B));
		}
		pw.flush();
	}
	
	public static 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();
	        }
	    }
	}
	
}