diff --git a/08-unambiguous.c b/08-unambiguous.c
new file mode 100644
index 0000000..11ddfff
--- /dev/null
+++ b/08-unambiguous.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+
+int main()
+{
+	int c;
+
+	while ((c = getchar()) != EOF) {
+		if (c == '\t')
+			printf("\\t");
+		else if (c == '\b')
+			printf("\\b");
+		else if (c == '\\')
+			printf("\\\\");
+		else
+			printf("%c", c);
+	}
+}
diff --git a/Makefile b/Makefile
index babb6b7..f34ca9c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-all: hello mathvars c2f input count countlines blanks
+all: hello mathvars c2f input count countlines blanks unambiguous
 
 hello: 01-hello-world.c
 	gcc -o ./bin/01-helloworld 01-hello-world.c
@@ -21,5 +21,8 @@ countlines: 06-line-count.c
 blanks: 07-extra-blanks.c
 	gcc -o ./bin/07-extra-blanks 07-extra-blanks.c
 
+unambiguous: 08-unambiguous.c
+	gcc -o ./bin/08-unambiguous 08-unambiguous.c
+
 clean:
 	$(RM) ./bin/*-*