#include <stdio.h>

int main(int argc, char ** argv) {

  FILE * fin = fopen(argv[1], "r");
  FILE * fsol = fopen(argv[2], "r");
  FILE * fout = fopen(argv[3], "r");
  FILE * fscr = fopen("scr.txt", "w");

  int n, A, B, b=1;
  fscanf(fin, "%d", &n);

  for (int i=0;i<n;i++)
    for (int j=0;j<n;j++){
      fscanf(fsol, "%d", &A);
      fscanf(fout, "%d", &B);
      b &= (A == B);
    }

  fprintf(fscr, "%d\n", b*10);
  
  fclose(fin);
  fclose(fsol);
  fclose(fout);
  fclose(fscr);
}