diff --git a/main.py b/main.py
index 900a437..c88b704 100644
--- a/main.py
+++ b/main.py
@@ -19,7 +19,7 @@
 # usage: main.py [-h] [-i INPUT] [-o OUTPUT]
 # example: python3 main.py -i input/slide_102.ml -o output/slide_102.txt
 
-with open(args.input) as i_f, open(args.output, 'w') as o_f:
+with open(args.input) as i_f, open(args.output, 'w+') as o_f:
 
     # read input and remove whitespace
     expr = i_f.read()
diff --git a/output/slide_102.txt b/output/slide_102.txt
new file mode 100644
index 0000000..e69de29
diff --git a/output/slide_114.txt b/output/slide_114.txt
new file mode 100644
index 0000000..ed74e5d
--- /dev/null
+++ b/output/slide_114.txt
@@ -0,0 +1,29 @@
+Output:
+0 loadc 5
+1 mkbasic
+1 pushloc 0
+2 mkvec 1
+2 mkfunval A
+2 jump B
+A:
+0 targ 1
+0 pushloc 0
+1 getbasic
+1 pushloc 1
+2 getbasic
+2 mul
+1 mkbasic
+1 pushloc 0
+2 getbasic
+2 pushglob 0
+3 getbasic
+3 add
+2 mkbasic
+2 return 1
+B:
+2 mark C
+5 pushloc 4
+6 pushloc 4
+7 apply
+C:
+3 slide 3
\ No newline at end of file
diff --git a/output/slide_131.txt b/output/slide_131.txt
new file mode 100644
index 0000000..c19e6f7
--- /dev/null
+++ b/output/slide_131.txt
@@ -0,0 +1,16 @@
+Output:
+0 loadc 19
+1 mkbasic
+1 pushloc 0
+2 getbasic
+2 pushloc 1
+3 getbasic
+3 mul
+2 mkbasic
+2 pushloc 1
+3 getbasic
+3 pushloc 1
+4 getbasic
+4 add
+3 mkbasic
+3 slide 2
\ No newline at end of file
diff --git a/output/slide_140.txt b/output/slide_140.txt
new file mode 100644
index 0000000..e69de29
diff --git a/output/slide_159.txt b/output/slide_159.txt
new file mode 100644
index 0000000..e69de29