#include using namespace std; #ifdef LOCAL #include "settings/debug.cpp" #define _GLIBCXX_DEBUG #else #define Debug(...) void(0) #endif #define rep(i, n) for (int i = 0; i < (n); ++i) using ll = long long; using ull = unsigned long long; int main() { int n; string s; cin >> n >> s; vector cnt(26, 0); for (char c : s) { cnt[c - 'A']++; } string ans = ""; rep(i, 26) ans += to_string(cnt[i]); cout << ans << endl; return 0; }