#include <iostream>
//#include <fstream>
#include <string>
#include <sstream>
 
int main() {
    //std::ifstream F("file.txt");
    std::istream &F = std::cin;
 
    int numberofTasks, currentTask, currentConstraint;
 
    F >> numberofTasks;
    F.ignore();
 
    std::cout << "Constraints :" << std::endl;
    for (int t = 1; t <= numberofTasks; ++t) 
    {
        std::string line;
        if (!std::getline(F, line)) break;
 
        std::istringstream iss(line);
 
        iss >> currentTask;
        std::cout << currentTask << "\t";
 
        while (iss >> currentConstraint)
        {
            std::cout << currentConstraint << " ";
        }
 
        std::cout << std::endl;
    }
    return 0;
}

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MTEKMQoyIDgKMyA4CjQgNSAxMAo1IDgKNiAxIDMKNyA1CjggMTEKOSA2CjEwIDUgNwoxMQ==

11
1
2 8
3 8
4 5 10
5 8
6 1 3
7 5
8 11
9 6
10 5 7
11