#include <bits/stdc++.h>
#define LL long long
#define ULL unsigned long long
#define UI unsigned int
#define mem(i, j) memset(i, j, sizeof(i))
#define rep(i, j, k) for(int i = j; i <= k; i++)
#define dep(i, j, k) for(int i = k; i >= j; i--)
#define pb push_back
#define make make_pair
#define INF 0x3f3f3f3f
#define inf LLONG_MAX
#define PI acos(-1)
#define fir first
#define sec second
#define lb(x) ((x) & (-(x)))
#define dbg(x) cout<<#x<<" = "<<x<<endl;
using namespace std;

const int N = 1e6 + 5;

void solve() {

    LL n;

    scanf("%lld", &n);

    LL ans = 0LL;

    while(n) {

        ans += n / 5;

        n /= 5;

    }

    printf("%lld\n", ans);

}

int main() {

    int _; scanf("%d", &_);
    while(_--) solve();

//    solve();

    return 0;
}