#include<bits/stdc++.h>
#include<unordered_map>
typedef long long ll;
typedef long double ld;
#define debug(a) cout<<a<<'\n'
#define Pll pair<ll,ll>
#define PII pair<int,int>
#define ft first
#define sd second
#define pushk push_back
#define popk pop_back
#define vec vector
using namespace std;
const int N = 1e5+ 10, M = 1e7, mod = 998244353;
const ll inf = 1e18;
const ld eps = 1e-8;
int mov[4][2] = { {0,1},{1,0},{-1,0},{0,-1} }, dx, dy;
void bout(bool f) {
    if (f)cout << "YES\n";
    else cout << "NO\n";
}
ll n, m, k;

void solve() {
    string s, t;
    cin >> s;
    n = s.length();
    s = '0' + s;
    int c = 0;
    for (int i = n; i >= 1; --i) {
        if (s[i] == 'I') {
            if (c == 3) { t += '3'; c = 1; }
            else ++c;
        }
        else if (s[i] == 'V') {
            if (c)t += '5' + c;
            else if (s[i - 1] == 'I') {
                t += '4';
                --i;
            }
            else t += '5';
            c = 0;
        }
    }
    if (c)t += '0' + c;
    reverse(t.begin(), t.end());
    cout <<t<< '\n';
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
#ifndef ONLINE_JUDGE
    streambuf* cinbackup = cin.rdbuf(), * coubackup = cout.rdbuf();
    ifstream fin("in.txt");
    ofstream fout("out.txt");
    cin.rdbuf(fin.rdbuf());
    cout.rdbuf(fout.rdbuf());
#endif
    int _ = 1, __ = 1;
    cin >> _;
    __ = _;
    while (_--) {
        solve();
    }
    return 0;
}