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- #include<bits/stdc++.h>
- using namespace std;
- int main() {
- for(int n; cin >> n && n;) {
- int a = n / 100, b = n / 10 % 10, c = n % 10;
- cout << (n < 1000 && n >= 100 && n == a * a * a + b * b * b + c * c * c ? "Yes" : "No") << endl;
- }
- return 0;
- }
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