diff --git a/pset3/6-chars.c b/pset3/6-chars.c
new file mode 100644
index 0000000..6303305
--- /dev/null
+++ b/pset3/6-chars.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+
+// Function prototypes
+void analyze(char *string);
+
+int main(void) {
+  // Initialize a empty array
+  char str[100] = {};
+  // Get input from stdin
+  fgets(str, 100, stdin);
+
+  // Analyze string
+  analyze(str);
+
+  return 0;
+}
+
+void analyze(char *string) {
+  int chars = 0, spaces = 0, nums = 0, others = 0;
+  for (int i = 0; (string[i] != '\n' && string[i] != '\0'); i++) {
+    if ((string[i] >= 'a' && string[i] <= 'z') ||
+        (string[i] >= 'A' && string[i] <= 'Z')) { // Is a character
+      chars++;
+    } else if (string[i] >= '0' && string[i] <= '9') { // Is a number
+      nums++;
+    } else if (string[i] == ' ') { // Is a space
+      spaces++;
+    } else { // Other ascii characters
+      others++;
+    }
+  }
+  printf("%i %i %i %i\n", chars, spaces, nums, others);
+}