diff --git a/1-13.c b/1-13.c
new file mode 100644
index 0000000..2f002d0
--- /dev/null
+++ b/1-13.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+
+// version 1.0
+#define ARR_LENGTH 20
+int main(){
+  int arr[ARR_LENGTH];
+  int c, index, i, dashes, nc;
+  index = i = dashes = nc = 0;
+  while ((c = getchar()) != '\n' && i < ARR_LENGTH-1){
+    if (c == ' ' && nc != 0){
+      arr[index]=nc;
+      nc=0;
+      index++;
+    }
+    else {
+      nc++;
+    }
+  }
+  while (i < index){
+    while (dashes<arr[i]){
+      putchar('-');
+      dashes++;
+    }
+    dashes=0;
+    putchar('\n');
+    i++;
+  }
+  return 0;
+}
+
+// version 2.0
+int main(){
+  int c;
+  while ((c = getchar()) != '\n'){
+    if (c != ' '){
+      putchar('-');
+    }
+    else {
+      putchar('\n');
+    }
+  }
+  putchar('\n');
+  return 0;
+}