#include <iostream>
#include <algorithm>
#include <map>
#include <string>       #没有这行会报错
using namespace std;

int main() {
    int n;
    string a;
    int count;
    int len;
    cin >> n;
    while (n--){
        count=0;
        cin >> a;
        len=a.length();
        for(int i=0;i<len;i++){
            if(a[i]>='0' && a[i]<='9'){
                count++;
            }
        }

        cout << count <<endl;

    }

    return 0;
}