zju2736

#include <iostream>#include <string>using namespace std;int main(){string str;int n, a[3];while (cin >> str){if (str.size() != 3)break;for (int i = 0; i < str.size(); ++i){a[i] = str[i] - '0';}n = stoi(str, 0, 10);if (n == (a[0] * a[0] * a[0] + a[1] * a[1] * a[1] + a[2] * a[2] * a[2]))cout << "Yes" << endl;elsecout << "No" << endl;}return 0;}