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//#define _GLIBCXX_DEBUG

#include <bits/stdc++.h>
using ll = long long;
using sz = size_t;
using namespace std;

// make the code less c++-readable:
template<class T> using v = vector<T>; 
template<class T> using vv = v<v<T>>; 
using vi = v<int>; using vll = v<ll>; using vvi = vv<int>; using vvll = vv<ll>;

// hai loading utilities
#define $T template<class T>
#define $Ts template<class... T>
$T T Load() { T v; cin >> v; return v; }
$T auto Loads(int n) { v<T> v; v.reserve(n); while(n--) v.emplace_back(Load<T>()); return v; }
$T auto Loads() { return Loads<T>(Load<int>()); }
template<class T, int N> auto Loada() { array<T, N> a; for (T& v: a) v = Load<T>(); return a; }
$Ts auto Cols(int rows) { tuple<v<T>...> t; while(rows--) [&]<sz... I>(index_sequence<I...>){(std::get<I>(t).push_back(Load<T>()), ...);}(index_sequence_for<T...>{}); return t; }
//$Ts auto Rows(int rows) { v<tuple<T...>> v; while(rows--) { v.emplace_back(Load<T>()...); } return v; } bugged :(
struct _aIV { $T operator vector<T>() { return Loads<T>(n); } sz n; };
struct _aI { $T operator T() { return Load<T>(); } _aIV operator()(sz n) { return {n}; } }; static inline _aI $;  /* int N = $;  vi Y = $(N); */
#define MAKE_LOADER(T, alias) \
  T alias() { return Load<T>(); }   /* int x = Int(); */\
  auto alias##s() { return Loads<T>(); }   /* vector<> xs = Ints(); */\
  auto alias##s(int n) { return Loads<T>(n); }   /* vector<> xs = Ints(7); */\
  template<int N> auto alias##a() { return Loada<T, N>(); }   /* array<> xs = Inta<7>();  */\
// line intentionally left blank
MAKE_LOADER(int, Int)
MAKE_LOADER(long long, LL)
MAKE_LOADER(char, Char)
MAKE_LOADER(string, String)
// kthxbye


void test() {
    ll odp = 0;

    string A = $;
    string B = $;
    string C = $;

    int z0 = 0, z1 = 0;

    for (int i = C.size()-1; i>=0; --i) {
        int a = A[i]-'0';
        int b = B[i]-'0';
        int c = C[i]-'0';

        if (a+b==c) {
            ++z0;
            z1 = 0;
        } else if (a+b+1 == c) {
            z0 = z1;
            z1 = 0;
        } else if (a+b-10 == c) {
            z1 = z0 + 1;
            z0 = 0;
        } else if (a+b-9 == c) {
            z0 = 0;
        } else {
            z0 = 0;
            z1 = 0;
        }
        odp += z0;
    }


    cout << odp << endl;
}


[[maybe_unused]] void jeden_test() { test(); }
[[maybe_unused]] void wiele_test() { int T = $; while (T--) test(); }

int main() {
    jeden_test();
    return 0;
}