diff --git a/CMakeLists.txt b/CMakeLists.txt
index ee6e962..a58241f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.0)
 
 project(programmingquest LANGUAGES C)
 
-SET(CHALLANGE namegen)
+SET(CHALLANGE format)
 
 add_executable(binary
 	src/${CHALLANGE}.c
diff --git a/src/format.c b/src/format.c
new file mode 100644
index 0000000..4adc2a7
--- /dev/null
+++ b/src/format.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <stdlib.h>
+#define COLIM 16
+
+int main(int argc, char *argv[]) {
+	char c;
+	int count=0;
+	if (argc<1) {
+		fprintf(stderr, "No format provided!\n");
+		return 1;
+	}
+	while ((c=getchar())!=EOF) {
+		printf(argv[1], c);
+		if (count++==COLIM) {
+			printf("\n");
+			count=0;
+		}
+	}
+	printf("\n");
+	return 0;
+}