zoj 2736 水仙花

Daffodil number

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Time Limit: 1 Second      Memory Limit: 32768 KB

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The daffodil number is one of the famous interesting numbers in the mathematical world. A daffodil number is a three-digit number whose value is equal to the sum of cubes of each digit.

For example. 153 is a daffodil as 153 = 1³ + 5³ + 3³.

Input

There are several test cases in the input, each case contains a three-digit number.

Output

One line for each case. if the given number is a daffodil number, then output "Yes", otherwise "No".

Sample Input

153
610

Sample Output

Yes
No

#include <iostream>
using namespace std;

bool judge(int num){
    int a, b, c, fb=num;
    a=fb% 10; fb/=10;
    b=fb% 10; fb/=10;
    c=fb;
    if(a*a*a+b*b*b+c*c*c== num)
        return true;
    else    return false;
}
int main()
{        
    int num;
    while(cin>>num){
        if(judge(num))
            cout<<"Yes"<<endl;
        else    cout<<"No"<<endl;
    }    
    return 0;    
}