buzz_number.cpp

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#include <iostream>

int main() {
    int n, t;
    std::cin >> t;
    while (t--) {
        std::cin >> n;
        if ((n % 7 == 0) || (n % 10 == 7))
            std::cout << n << " is a buzz number" << std::endl;
        else
            std::cout << n << " is not a buzz number" << std::endl;
    }
    return 0;
}