题解

#include<bits/stdc++.h>
using namespace std;
int n;
void scan () 
{
    cin >> n;
}
bool equal (int a , int b , int c) 
{
    return a + b + c == n;
}
bool s () 
{
    int a = n / 100;
    int b = (n - a * 100) / 10;
    int c = n - a * 100 - b * 10;
    a = pow (a , 3);
    b = pow (b , 3);
    c = pow (c , 3);
    if (equal(a , b , c)) 
    {
        return true;
    }
    return false;
}
void print ()
{
    if (s() == true)
    {
        cout << "YES";
    }
    else
    {
        cout << "NO";
    }
}
int main(void){
    scan();
    print();
}