#include <iostream>

using namespace std;

int main()
{
    int apple[100]={};
    int high;
    int number=0;
    cin>>high;
    for(int c=0;c<10;c++)
    {
        cin>>apple[c];
    }
    for(int d=0;d<10;d++)
    {
        if(apple[d]<=high+30)
        {
            number++;
        }
    }
    cout<<number<<endl;
    return 0;
}

输入；100 200 150 140 129 134 167 198 200 111 110 输出;5