; A simple exercise in elementary-school mathematics

@0050
+10 00 1000 1001
+13 00 1002 1003
-62 00 1000 1000
-62 00 6016 1100
-62 00 1020 1001
-62 00 6036 1100
-62 00 1040 1002
-62 00 6056 1101
-62 00 1060 1003
-62 00 7400 0000
-00 00 0000 0000

@1000
+000000000001
+000000000002
+000000000003

@1100
+120000000000
+250000000000