#include <iostream>
using namespace std;
int main() {
int a, b, c, d, e, cnt = 0;
cin >> a >> b >> c >> d >> e;
if (a - 1000 <= b) cnt++;
if (a - 1000 <= c) cnt++;
if (a - 1000 <= d) cnt++;
if (a - 1000 <= e) cnt++;
cout << cnt;
return 0;
}
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