diff --git a/hello b/hello
index 629f7b5..0e29d66 100755
Binary files a/hello and b/hello differ
diff --git a/main.c b/main.c
index 49caad5..341bb65 100644
--- a/main.c
+++ b/main.c
@@ -1,6 +1,43 @@
 #include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
 
 int main(int argc, char *argv[]){
+	int fd;
+	//EXPORT
+	fd=open("/sys/class/gpio/chip0/export", O_WRONLY);
+	write(fd, "17",2);
+	close(fd);
+	//PIN DIRECTION
+	
+	fd=open("/sys/class/gpio/chip0/gpio17/direction", O_WRONLY);	
+	write(fd, "out",3);
+	close(fd);
+
+	//WRITE VALUE
+	fd=open("/sys/class/gpio/chip0/gpio17/value", O_WRONLY);		
+	write(fd, "1",1);
+	close(fd);
+	sleep(10);
+	
+	fd=open("/sys/class/gpio/chip0/gpio17/value", O_WRONLY);		
+	write(fd, "0",1);
+	close(fd);
+	sleep(10);
+	
+
+	fd=open("/sys/class/gpio/chip0/gpio17/value", O_WRONLY);		
+	write(fd, "1",1);
+	close(fd);
+	sleep(10);
+	
+	//UNEXPORT
+	fd=open("/sys/class/gpio/chip0/gpio17/unexport", O_WRONLY);		
+	write(fd, "17",2);
+	close(fd);
+	
+
+	//
 	printf("Hiii hello\n");
 	printf("number of arguments: %d \n", argc);
 	printf("program is reciving: %s \n", argv[0]);