#include <algorithm>
#include <array>
#include <cmath>
#include <cstdio>
#include <deque>
#include <iomanip>
#include <iostream>
#include <numeric>
#include <optional>
#include <queue>
#include <set>
#include <stack>
#include <unordered_map>
#include <unordered_set>
#include <vector>

using namespace std;

int main() {
    int64_t n;
    cin >> n;
    bool ans = false;
    for (__int128_t i = 1; i * i * i <= n; ++i) {
        if (i * i * i == n) {
            ans = true;
            break;
        }
    }
    cout << (ans ? "Yes" : "No") << endl;
    return 0;
}