#include <stdio.h>  	    		
#define print(x) int main(){printf(x"\n");return 0;} //	+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.++++++.----------------------------.++++++.+++.--.---.-----------------.++++++++++++++++++++++++++++++++++++++++++++++++++.+++++++++++++++++++++++++++++.------------.++++++++.++++++++.----------------------------------------------------------------------------------.  		
print("CI-3641 Rocks!")