#include <bits/stdc++.h>
#define MOD 998244353
#define mod 1000000007
#define ll long long
#define ull unsigned long long
#define ui unsigned int
using namespace std;
const int maxn = 1e6+9;
int a,b,c;
void f()
{
    cin >> a >> b >> c;
    cout << (a < 60 || b < 60 || c < 60);
}
int main()
{
	f();
	return 0;
}