#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>
#include <limits.h>

int min(int a, int b) {
    if (a < b) {
        return a;
    }
    return b;
}

int
main(int argc, char *argv[])
{
    int n;
    int res = 0;
    sscanf(argv[1], "%d", &n);
    for (int i = 2; i < min(n + 2, argc); ++i) {
        int pid;
        if (!(pid = fork())) {
            char buf[PATH_MAX];
            FILE *f = fopen(argv[i], "r");
            fscanf(f, "%s", buf);
            fclose(f);
            execlp(buf, buf, NULL);
            exit(1);
        }
    }
    int status;
    while (wait(&status) != -1) {
        res = !(WIFEXITED(status) && WEXITSTATUS(status)) ? res + 1 : res;
    }
    for (int i = n + 2; i < argc; ++i) {
        int pid;
        if (!(pid= fork())) {
            char buf[PATH_MAX];
            FILE *f = fopen(argv[i], "r");
            fscanf(f, "%s", buf);
            fclose(f);
            execlp(buf, buf, NULL);
            exit(1);
        } else {
            wait(&status);
            res = !(WIFEXITED(status) && WEXITSTATUS(status)) ? res + 1 : res;
        }
    }
    printf("%d\n", res);
    fflush(stdout);
    return 0;
}