#include<iostream> using namespace std; int main(){ int n,G,S,B,P,W; cin>>n; G=n/1%10; S=n/10%10; B=n/100%10; P=n/1000%10; W=n/10000%10; if((G+S+B+P+W)%9==0) cout<<1; else cout<<0; return 0; }