#include<iostream> using namespace std; int main() { int n,a,e,q,z,w,s=0; cin>>n; for(int i=0;i<=n;i=i+1){ cin>>a;} e=a%1; q=a/100%10; z=a/1000%100; w=a/1000; if(e-(q+z+w)>0){ cout<<s+1;} cout<<s; return 0; }