A307.水仙花数题解：

A307.水仙花数

#include<bits/stdc++.h>
using namespace std;

int main(){
    int n,a,b,c;
    cin >> n;

    a=n/100;
    b=n/10%10;
    c=n%10;

    if(pow(a,3)+pow(c,3)+pow(b,3)==n){
        cout << "YES";
    }else cout << "NO";
    return 0;
}