import java.util.Scanner;

public class teste3 {

public static void main(Stringl] args) {

int i, z=0, n=5;

char v;

Scanner s = new Scanner(System.in);

___for (i=0; i<n; i++){

v=s.next().charAt(0);

if ((v > 'g')||(v <= '19')

z=z+2;

else z=z+1;}

__System.out.printin(z);}}