diff --git a/ass1/arithr.asm b/ass1/arithr.asm
new file mode 100644
index 0000000..e00f7c9
--- /dev/null
+++ b/ass1/arithr.asm
@@ -0,0 +1,35 @@
+arithr	START	0
+	LDA	x
+	LDB	y
+	ADDR	A, S
+
+	ADDR	B, A
+	STA	sum
+	SUBR	B, A
+
+	SUBR	B, A
+	STA	diff
+	ADDR	B, A
+
+	MULR	B, A
+	STA	prod
+	DIVR	B, A
+
+	DIVR	B, A
+	STA	quot
+	MULR	B, A
+
+	SUBR	A, S
+	STS	mod
+
+halt	J halt
+
+. podatki
+x	WORD	17
+y	WORD	4
+sum	RESW	1
+diff	RESW	1
+prod	RESW	1
+quot	RESW	1
+mod	RESW	1
+	END	arithr
\ No newline at end of file