diff --git a/1.py b/codes/1.py
similarity index 100%
rename from 1.py
rename to codes/1.py
diff --git a/codes/10.py b/codes/10.py
new file mode 100644
index 0000000..d69374c
--- /dev/null
+++ b/codes/10.py
@@ -0,0 +1,6 @@
+n = int(input())
+sum = 0
+for i in range(n):
+    if((i+1) % 7 == 0 and (i+1) % 13 != 0):
+        sum += i+1
+print(sum)
\ No newline at end of file
diff --git a/2.py b/codes/2.py
similarity index 100%
rename from 2.py
rename to codes/2.py
diff --git a/3.py b/codes/3.py
similarity index 100%
rename from 3.py
rename to codes/3.py
diff --git a/4.py b/codes/4.py
similarity index 100%
rename from 4.py
rename to codes/4.py
diff --git a/5.py b/codes/5.py
similarity index 100%
rename from 5.py
rename to codes/5.py
diff --git a/codes/6.py b/codes/6.py
new file mode 100644
index 0000000..c79ac63
--- /dev/null
+++ b/codes/6.py
@@ -0,0 +1,5 @@
+n = int(input())
+sum = 0
+for i in range(n):
+    sum += i+1
+print(sum)
\ No newline at end of file
diff --git a/codes/7.py b/codes/7.py
new file mode 100644
index 0000000..6e4cafe
--- /dev/null
+++ b/codes/7.py
@@ -0,0 +1,5 @@
+n = int(input())
+sum = 0
+for i in range(n):
+    sum += (i+1)**2
+print(sum)
\ No newline at end of file
diff --git a/codes/8.py b/codes/8.py
new file mode 100644
index 0000000..557723c
--- /dev/null
+++ b/codes/8.py
@@ -0,0 +1,6 @@
+n = int(input())
+sum = 0
+for i in range(n):
+    if((i+1) % 2==1):
+        sum += i+1
+print(sum)
\ No newline at end of file
diff --git a/codes/9.py b/codes/9.py
new file mode 100644
index 0000000..9ac2fa7
--- /dev/null
+++ b/codes/9.py
@@ -0,0 +1,8 @@
+n = int(input())
+sum = 0
+for i in range(n):
+    tmp = 1
+    for j in range(i+1):
+        tmp *= j+1
+    sum += tmp
+print(sum)
\ No newline at end of file