문제
풀이
#include <iostream>
#include <string>
using namespace std;
void solve(void) {
string s; cin >> s;
int l = 0, r = 0;
for (int i=0; i<s.length(); i++) {
if (s[i] != '@') continue;
if (i < s.find('(')) l++;
else r++;
}
cout << l << " " << r;
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}