#include <iostream> 
 int main() {     int chicken = 20;     int rabbit = 30;     std::cout << chicken << " " << rabbit << std::endl;     return 0; }    
/**************************************************************
	Problem: 1015
	User: fuyijun
	Language: C++
	Result: Accepted
	Time:3 ms
	Memory:2072 kb
****************************************************************/