#include <bits/stdc++.h>
using namespace std;
int main()
{
	int a,b,c;
	cin>>a>>b>>c;
	int d[13];
	d[1]=a;d[2]=b;d[3]=c;
	sort(d,d+3);
	a=d[1];b=d[2];c=d[3];
	if(a<60&&b>=60) cout<<"1";
	else cout<<"0";
}