#include<iostream> #include<iomanip> using namespace std; int main(){ int n,a,b,c,d,e,v; cin>>n; a=n%10; b=n/10%10; c=n/100%10; d=n/1000%10; e=n/10000%10; v=a+b+c+d+e; if(v%9==0){ cout<<1; }else{ cout<<0; } return 0; }