#include <iostream>
using namespace std;

int main() {
    int a[10] ;
	int b, k, count = 0 ;
	cout << "输入100到200之间十个整数" << endl;
	for (int i = 0; i < 10; i++) {
		cin >> a[i] ;
	}
	cout << "输入100到120之间的整数" << endl;
	cin >> k ;
	b = k + 30 ;
	for (int j = 0; j < 10; j++) {
		if (a[j] <= b)
			count++;
	}
	cout << count << endl;
	return 0;
}