#include <iostream>
using namespace std;
int a;
int main()
{
    cin >> a;
    if (10 <= a && a <= 99)
        cout << 1;
    else
        cout << 0;
}

#include<iostream>
#include<cstdio>
#include<cctype>
#include<string.h>
#include<math.h>
#include<cmath>
#include<algorithm>
#include<iomanip>
using namespace std;
int main()
{
	long long n;
	cin>>n;
	if(n>=10&&n<=99)
	{
		cout<<1;
	}
	else
	{
		cout<<0;
	} 
	return 0;
}

#include<iostream>
using namespace std;
int main ()
{
	int a; 
	cin >> a;
	if(a>=10&&a<=99)
	{
		cout << 1;
	}
	else{
		cout << 0;
	}
}

#include<iostream>
using namespace std;
int main ()
{
	int a; 
	cin >> a;
	if(a>=10&&a<=99)
	{
		cout << 1;
	}
	else{
		cout << 0;
	}
}

using namespace std;
int main()
{
	int n;
	cin >> n;
	if (n >10&&n<=99)
        cout << 1;
	else 
        cout << 0;
	return 0;
}

#include<iostream>
using namespace std;
int main()
{
	int n;
	cin >> n;
	if (n > 10 && n <= 99)cout << 1;
	else cout << 0;
	return 0;
}