#include <iostream>
#include <cmath>
#include <vector>

using namespace std;
bool isPerfectSquare(int x) {
    int sqrtX = sqrt(x);
    return sqrtX * sqrtX == x;
}

int main() {
    int n;
    cin >> n;
    vector<int> perfectSquares;
    for (int i = 1; i * i <= n; i++) {
        perfectSquares.push_back(i * i);
    }
    int product = 1;
    for (int num : perfectSquares) {
        product *= num;
    }
    cout  << n 9
    << product << endl;

    return 0;
}