#include<bits/stdc++.h> using namespace std; int main() { int n; n = 10; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } int k; cin >> k; k = k + 30; int c = 0; for (int i = 0; i < n; i++) { if (a[i] <= k) { c = c + 1; } } cout << c << endl; return 0; }