1
+
1
2
5
+
5
10
7
-
2
5
10
-
10
0
4
*
10
40
21
/
4
5
40
/
4
10
9999
+
9999
19998
20000
-
10000
10000
10000
/
10
1000
1
+
2
3
+
3
6
100
-
100
0
+
10
10
11
+
10
21
/
6
3
11
+
10
21
s
3
+
m
24
11
+
10
21
s
m
-
10
11
c
5
+
m
5
100
/
10
10
s
c
/
10
1
+
m
1
10
+
0
10
s
c
c
+
m
10
9999
+
1
10000
s
1
+
1
2
m
+
m
20000
1
+
1
2
s
2
+
2
4
s
10
/
m
2
3
/
4
0