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

const int test_value = 10;

int A[5000], B[5000];

int main() {

	FILE* in = fopen("kljuc.in", "r");
	FILE* out = fopen("kljuc.out", "r");
	FILE* sol = fopen("kljuc.sol", "r");
	FILE* score = fopen("score.tmp", "w");
	
	int n, m;
	bool ok = true;
	
	fscanf(in, "%d%d", &n, &m);
	for (int i = 0; i < m; i++)
		fscanf(sol, "%d", &A[i]);
	
	for (int i = 0; i < m; i++)
		if (! feof(out))
		{
			fscanf(out, "%d", &B[i]);
		}
		else 
		{
			ok = false;
			break;
		}

	if (ok)
	{
		for (int i = 0; i < m; i++)
			ok = ok && (A[i] == B[i]);
	}

	fprintf (score, "%d\n", (ok ? test_value : 0));

	fclose(in);
	fclose(out);
	fclose(sol);
	fclose(score);

	return 0;
}