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

int main (int argc, char ** argv)
{
	if (argc == 0)
		exit (3);
	if (argc == 1)
		exit (4);
	if (argc > 2)
		exit (5);
	switch (argv[1][0]) {
	case 'a':
		exit (3);
	case 'b':
		kill (getpid (), SIGSEGV);
		while (1);
	case 'c':
		kill (getpid (), SIGINT);
		while (1);
	case 'd':
		kill (getpid (), SIGTRAP);
		while (1);
	case 'e':
		kill (getpid (), SIGILL);
		while (1);
	case 'f':
		exit (10);
	case 'g':
		kill (getpid (), SIGABRT);
		exit (11);
	case 'h':
		exit (100);
	case 'i':
		kill (getpid (), SIGBUS);
		while (1);
	case 'j':
		kill (getpid (), SIGBUS);
		exit (98);
	case 'k':
		exit (97);
	case 'l':
		exit (96);
	case 'm':
		exit (95);
	case 'n':
		exit (94);
	case 'o':
		exit (93);
	case 'p':
		exit (92);
	case 'q':
		exit (91);
	case 'r':
		exit (90);
	case 's':
		exit (89);
	case 't':
		exit (88);
	case 'u':
		exit (87);
	case 'v':
		exit (86);
	case 'w':
		exit (85);
	case 'x':
		exit (84);
	case 'y':
		exit (83);
	case 'z':
		exit (82);
	default:
		abort ();
	}
	return 0;
}