#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
const int N = 1e6 + 10;
int t, n, m, k, l, r, op, x, y;
int f[N];
bool flag;
map<string, int> mp;
string str;
string tmp;
void solve() {
    getline(cin, str);
    str.push_back('.');
    for (char &ch : str) {
        if (isalpha(ch)) {
            if (ch >= 'A' && ch <= 'Z') {
                ch += 32;
            }
            tmp.push_back(ch);
        } else {
            if(!tmp.empty()){
                mp[tmp]++;              
            }
            tmp.clear();
        }
    }
    for (auto &[k, v] : mp) {
        cout << k << ":" << v << "\n";
    }
}
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    solve();
    return 0;
}