题解

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 20;
ll n,cnt;
ll a[N];
int main() {
for(int i=1;i<=10;i++)cin>>a[i];
cin>>n;
n+=30;
for(int i=1;i<=10;i++)
if(n>=a[i])cnt++;
cout<<cnt;
return 0;
}