#include <bits/stdc++.h>
using namespace std;
#define all(c) (c).begin(),(c).end()
#define rrep(i,n) for(int i=(int)(n)-1;i>=0;i--)
#define REP(i,m,n) for(int i=(int)(m);i<(int)(n);i++)
#define rep(i,n) REP(i,0,n)
#define iter(c) __typeof((c).begin())
#define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++)
#define mem(a) memset(a,0,sizeof(a))
#define pb(a) push_back(a)
#define in(a) insert(a)
#define R cin>>
#define F first
#define S second
#define Y typename
#define ll long long
#define GM(_1,_2,_3,N,...)N
#define pr(...) GM(__VA_ARGS__,pr3,pr2,pr1)(__VA_ARGS__)
template<Y T>void pr1(T a){cout<<a<<'\n';}
template<Y T,Y T2>void pr2(T a,T2 b){cout<<a<<' '<<b<<'\n';}
template<Y T,Y T2,Y T3>void pr3(T a,T2 b,T3 c){cout<<a<<' '<<b<<' '<<c<<'\n';}
template<Y T>void PR(T a,int n){rep(i,n){if(i)cout<<' ';cout<<a[i];}cout<<'\n';}
bool check(int n,int m,int x,int y){return x>=0&&x<n&&y>=0&&y<m;}
const ll MAX=1000000007,MAXL=1LL<<60,dx[4]={-1,0,1,0},dy[4]={0,1,0,-1};
typedef pair<int,int> P;

ll x,y,z;

ll pow(ll x,ll n){
  if(n==0) return 1;
  while(x>10000) x/=10;
  ll res = pow(x*x,n/2);
  if(n&1) res=res*x;
  while(res>10000) res/=10;
  return res;
}

void Main() {
  ll n;
  cin >> n;
  rep(i,n) {
    ll a,b;
    cin >> a >> b;
    ll d=pow(a,b);
    d*=10;
    stringstream ss;
    string s;
    ss << d;
    ss >> s;
    z=log10(a)*b;
    x=s[0]-'0',y=s[1]-'0';
    pr(x,y,z);
  }
}

int main() {
  ios::sync_with_stdio(0);cin.tie(0);Main();
  return 0;
}