#include <stdio.h>

double abs (double a) 
{
       return (a<0)?-a:a;
}

int main ( int argc, char *argv[] )
{
 
    FILE* sol;
    FILE* out;
    FILE* score;
    sol = fopen(argv[2], "r");
    out = fopen(argv[1], "r");
    double xsol, xout;
    if (fscanf(out, "%lf",&xout)<=0)
       printf("%d\n", 0);
    else {
         fscanf(sol, "%lf", &xsol);
         printf("%d\n", (abs(xsol-xout)<0.0005 + (xsol*1e-12))?5:0);
    }     
    fclose(sol);
    fclose(out);    
}