t = int(input())
other = ['9', '7']
pr = {'7': 1, '9': 4}
for _ in range(t):
n = int(input())
l = min((n//2, 998244353))
output = ['1'] * l
n -= 2*l
for i in range(l):
for new in other:
if n >= pr[new]:
output[i] = new
n -= pr[new]
break
print(int(''.join(output)))#include<bits/stdc++.h>
#define endl "\n"
using namespace std;
using ll = long long;
const int N = 1e5;
const int mod = 1000000007;
template<typename... T>
void read(T&... args) {
((cin >> args), ...);
}
template<typename... T>
void write(T&&... args) {
((cout << args << " "), ...);
}
int32_t main(){
time_t start, end;
time(&start);
ios_base::sync_with_stdio(false); cin.tie(0); cout << setprecision(12) << fixed;
ll t; read(t);
while(t--){
ll n; read(n);
string k = "";
if(n&1) k.push_back('7');
for(ll i=0;i<n;i+=2){
if(n&1 && i==0) {
i++;
continue;
}
k.push_back('1');
}
write(k);
cout<<endl;
}
time(&end);
// double time_taken = double(end - start);
// cout << "Time taken by program is : " << fixed << time_taken << setprecision(5);
// cout << " sec " << endl;
return 0;
}1327B - Princesses and Princes | 1450F - The Struggling Contestant |
1399B - Gifts Fixing | 1138A - Sushi for Two |
982C - Cut 'em all | 931A - Friends Meeting |
1594A - Consecutive Sum Riddle | 1466A - Bovine Dilemma |
454A - Little Pony and Crystal Mine | 2A - Winner |
1622B - Berland Music | 1139B - Chocolates |
1371A - Magical Sticks | 1253A - Single Push |
706B - Interesting drink | 1265A - Beautiful String |
214A - System of Equations | 287A - IQ Test |
1108A - Two distinct points | 1064A - Make a triangle |
1245C - Constanze's Machine | 1005A - Tanya and Stairways |
1663F - In Every Generation | 1108B - Divisors of Two Integers |
1175A - From Hero to Zero | 1141A - Game 23 |
1401B - Ternary Sequence | 598A - Tricky Sum |
519A - A and B and Chess | 725B - Food on the Plane |