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#include <iostream>
#include <string>
#include <stack>

bool isColorfulBracketSequence(const std::string& s) {
    std::stack<char> st;
    for (char c : s) {
        if (c == '(' || c == '[' || c == '<') {
            st.push(c);
        } else {
            if (st.empty()) {
                return false;
            }
            char top = st.top();
            st.pop();
            if ((c == ')' && top != '(') || (c == ']' && top != '[') || (c == '>' && top != '<')) {
                return false;
            }
        }
    }
    return st.empty();
}

int main() {
    std::string s;
    std::cin >> s;
    if (isColorfulBracketSequence(s)) {
        std::cout << "Yes" << std::endl;
    } else {
        std::cout << "No" << std::endl;
    }
    return 0;
}

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