#include<bits/stdc++.h> using namespace std; int main(){ int n,a,num=0; cin>>n; for(int i = 1;i<=n;i++){ cin>>a; int g = a%10; int q = a/1000; int s = a%100/10; int b = a%1000/100; if(g > s+b+q)num++; } cout<<num; return 0; }