/* main.c */
/* Last Change: 2019/05/21 (Tue) 14:44:03. */
#include"io.h"
#include"solver.h"
#include <stdio.h>

int main(void){
	read_problem();
	if(solver()){
		printf("success!");
		print_answer();
	}else{
		printf("failed...");
	}

	return 0;
}