#include <iostream>
 
int main() {
    int x;
    std::cin >> x;
    std::cout << x << '\n';
    switch (x) {
	    for(; x>0; --x) {
		    default:std::cout << 0;
		    case 9: std::cout << 9;
		    case 8: std::cout << 8;
		    case 7: std::cout << 7;
		    case 6: std::cout << 6;
		    case 5: std::cout << 5;
		    case 4: std::cout << 4;
		    case 3: std::cout << 3;
		    	break;
		    case 2: std::cout << 2;
		    case 1: std::cout << 1;
        }
        std::cout << "end";
        break;
	}
}

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NQ==

5