diff --git a/lab-1/Makefile b/lab-1/Makefile
index 84806d7..4b4c497 100644
--- a/lab-1/Makefile
+++ b/lab-1/Makefile
@@ -24,11 +24,10 @@ clean:
 	rm -f $(objects) fibseq
 
 QEMU_CMD = qemu-arm -L /usr/arm-linux-gnueabihf ./fibseq &
-CMD = yes 9 | $(call QEMU_CMD) && sleep 1
 qemu: fibseq
-	@yes 5 | $(call QEMU_CMD)
-	@sleep 1
-	@yes 6 | $(call QEMU_CMD)
-	@sleep 1
-	@yes 7 | $(call QEMU_CMD)
-	@sleep 1
+	@test=1 ; while [ $$test -le 100 ] ; do \
+		yes $$test | $(call QEMU_CMD)  \
+		sleep 1; \
+		test=`expr $$test + 1`; \
+	done
+