/**
*    author:  tomo0608
*    created: 14.03.2021 17:00:40
**/

#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
#if __has_include(<atcoder/all>)
#include<atcoder/all>
using namespace atcoder;
#endif

typedef long long ll;
typedef long double ld;
template <class T> using V = vector<T>;
template <class T> using VV = V<V<T>>;
typedef pair<int,int> pii;
typedef pair<long long, long long> pll;

#define all(x) x.begin(),x.end()
#define rep2(i, m, n) for (int i = (m); i < (n); ++i)
#define rep(i, n) rep2(i, 0, n)
#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)
#define drep(i, n) drep2(i, n, 0)
#define unique(a) a.erase(unique(a.begin(),a.end()),a.end())
template<class... T>void input(T&... a){(cin >> ... >> a);};
#define INT(...) int __VA_ARGS__; input(__VA_ARGS__)
#define LL(...) ll __VA_ARGS__; input(__VA_ARGS__)
#define STRING(...) string __VA_ARGS__; input(__VA_ARGS__)
void print(){cout << '\n';}
template<class T, class... Ts>void print(const T& a, const Ts&... b){cout << a; (cout << ... << (cout << ' ', b)); cout << '\n';}
template<class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T> >;
template<class T, class U> inline bool chmax(T &a, const U &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T, class U> inline bool chmin(T &a, const U &b) { if (a>b) { a=b; return 1; } return 0; }
template<class T1, class T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; }
template<class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << '(' << p.first << ", " << p.second << ')'; return os; }
template<class T> istream &operator>>(istream &is, vector<T> &v) { for (auto &e : v) is >> e; return is; }
template<class T> ostream &operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << ' '; return os; }
template<typename T> ostream& operator << (ostream& os, set<T>& set_var) {os << "{"; for (auto itr = set_var.begin(); itr != set_var.end(); itr++) {os << *itr;++itr;if(itr != set_var.end()) os << ", ";itr--;}os << "}";return os;}
template <typename T, typename U> ostream &operator<<(ostream &os, map<T, U> &map_var) {os << "{";for(auto itr = map_var.begin(); itr != map_var.end(); itr++) {os << *itr;itr++;if (itr != map_var.end()) os << ", ";itr--;}os << "}";return os;}
template<class T> inline int count_between(vector<T> &a, T l, T r) { return lower_bound(all(a), r) - lower_bound(all(a), l); } // [l, r)
#define pb push_back
#define eb emplace_back
#define elif else if
#define mp make_pair
#define bit(n, k) ((n >> k) & 1) /*nのk bit目*/
template<typename T> T gcd(T x, T y){if(x%y == 0)return y;return gcd(y, x%y);}
template<typename T> T gcd(vector<T> a){T res = a[0];for(auto &x: a)res = gcd(res, x);return res;}
template <typename T>T mypow(T x, ll n){T ret = 1;while(n > 0){if(n & 1)(ret *= x);(x *= x);n >>= 1;}return ret;}
#define endl '\n'
int dx[8] = {1, 0, -1, 0, 1, 1, -1, -1};
int dy[8] = {0, 1, 0, -1, 1, -1, -1, 1};


void solve(){
    STRING(s);
    int n = s.size();
    if(s.compare("atcoder") > 0){
        print(0);
        return;
    }
    int now = 0;
    while(s[now] == 'a')now++;
    if(now == n){
        print(-1);
        return;
    }
    print(now - (s[now] > 't'));
    return;
}

int main() {
    cin.tie(0);
    ios_base::sync_with_stdio(false);
    cout << setprecision(20);
    int codeforces = 1;
    cin >> codeforces;
    while(codeforces--){
        solve();
    }
    return 0;
}
//#pragma GCC optimize("O3")
#include<bits/stdc++.h>
#define ll long long int
#define ld long double
#define pb push_back
#define mp make_pair
#define mod 998244353
#define fio ios_base::sync_with_stdio(false);cin.tie(NULL);
#define all(x) x.begin(),x.end()
#define F first
#define S second
#define fo(i,n) for(int i=0;i<(n);i++)
#define inp(a) int a;cin>>a;
#define inpa(a,n)vector<int> a(n);fo(i,n)cin>>a[i];
#define printclock cerr<<"Time : "<<1000*(ld)clock()/(ld)CLOCKS_PER_SEC<<"ms\n";
using namespace std;
#define int ll
// #define MAX 20
#define INF (int)1e18

template<class T> ostream& operator<<(ostream& cout,vector<T> V)
{cout<<"[ ";for(auto v:V)cout<<v<<' ';return cout<<']';}
template<class L,class R> ostream& operator<<(ostream& cout,pair<L, R> P)
{return cout<<'('<<P.F<<','<< P.S<<')';}


signed main()
{
	fio
	inp(a) inp(b) inp(c)
	int ans1=((a*(a+1))/2)%mod,ans2=((b*(b+1))/2)%mod,ans3=((c*(c+1))/2)%mod;
	// for(int i=1;i<=a;i++)
	// 	ans1=(ans1+i)%mod;
	// for(int i=1;i<=b;i++)
	// 	ans2=(ans2+i)%mod;
	// for(int i=1;i<=c;i++)
	// 	ans3=(ans3+i)%mod;
	int fans=(ans1*ans2)%mod;
	fans=(fans*ans3)%mod;
	cout<<fans<<'\n';
	printclock;
}