import java.io.*;
import java.util.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        StringBuilder sb = new StringBuilder();
        while (n-- > 0) {
            sb.append(new Num(sc.nextInt(), 0).pow(sc.nextInt())).append("\n");
        }
        System.out.print(sb);
    }
    
    static class Num {
        double value;
        long base;
        
        public Num(double value, long base) {
            this.value = value;
            this.base = base;
            normalize();
        }
        
        private void normalize() {
            while (value >= 10) {
                value /= 10;
                base++;
            }
        }
        
        public Num multiply(Num x) {
            return new Num(value * x.value, base + x.base);
        }
        
        public Num pow(long p) {
            if (p == 0) {
                return new Num(1, 0);
            } else if (p % 2 == 0) {
                return multiply(this).pow(p / 2);
            } else {
                return pow(p - 1).multiply(this);
            }
        }
        
        public String toString() {
            int ans = (int)(value * 10);
            return new StringBuilder().append(ans /10).append(" ").append(ans % 10).append(" ").append(base).toString();
        }
    }
}
class Utilities {
    static String arrayToLineString(Object[] arr) {
        return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
    }
    
    static String arrayToLineString(int[] arr) {
        return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public int[] nextIntArray() throws Exception {
        return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}