#include <iostream>
using namespace std;
const int maxn = 105;
int idx[maxn];
int find_root(int x) {

#include <stdio.h>
#include <stdlib.h>

int main() {
int red, kolona;

#include <iostream>
#include <vector>
using namespace std;
const int maxn = 105;
int idx[maxn];

#include <stdio.h>
#include <stdlib.h>

int main() {
int red, kolona;

#include <stdio.h>
#include <stdlib.h>

int main() {
int red, kolona;

#include <stdio.h>
#include <stdlib.h>

int main() {
int n;

#include <iostream>
#include <vector>
using namespace std;
const int maxn = 105;
int idx[maxn];

#include <iostream>
#include <vector>
using namespace std;
const int maxn = 105;
int idx[maxn];

#include <iostream>
#include <vector>
using namespace std;
const int maxn = 105;
int idx[maxn];

#include <stdio.h>
#include <stdlib.h>

int main() {
int red, kolona;