#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;
}