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