Zero Judge g183. 81倍數判別

#include <iostream>
using namespace std;
int main(){
    string s;
    long long a;
    while(cin>>s){
        a=0;
        for(char i:s){
            a+=i-'0';
        }
        if(a%9==0) cout<<"konopad!\n"; else cout<<"konosuba!\n";
    }
    return 0;
}
/*
Zero Judge g183. 81倍數判別
https://zerojudge.tw/ShowProblem?problemid=g183
2024 May 27
*/
/*
//應該是下面的這邊才是對的
#include <iostream>
using namespace std;
int main(){
    string s;
    long long a,t;
    while(cin>>s){
        a=0;
        t=1;
        for(int i=s.length()-1;i>=0;i--){
            a+=t*(s[i]-'0');
            t=(t*10)%81;
        }
        if(a%81==0) cout<<"konopad!\n"; else cout<<"konosuba!\n";
    }
    return 0;
}
*/