#include<iostream> using namespace std; int main(){ int n=10; int a[n]; for(int i=0;i<=n-1;i++){ cin>>a[i]; } int b,sum=0; cin>>b; b=b+30; for(int i=0;i<=n-1;i++){ if(a[i]<=b){ sum=sum+1; } } cout<<sum; return 0; }