#include<iostream> using namespace std; int main(){ int n,ge,shi,bai,qian,wan; cin>>n; ge=n%10; shi=n/10%10; bai=n/100%10; qian=n/1000%10; wan=n/10000%10; if((ge+shi+bai+qian+wan)%9==0){ cout<<1; }else{ cout<<0; } return 0; }