#include<bits/stdc++.h>
using namespace std;

int main()
{
    int n, tc, ans;
    cin>>tc;
    while(tc--)
    {
        cin>>n;
        ans=0;
        while(n)
        {
            n/=5;
            ans+=n;
        }
        cout<<ans<<endl;
    }
    return 0;
}