diff --git a/dbrhkdan123/Gop.c b/dbrhkdan123/Gop.c
new file mode 100644
index 00000000..ca5c7b26
--- /dev/null
+++ b/dbrhkdan123/Gop.c
@@ -0,0 +1,8 @@
+#include<stdio.h>
+
+int main()
+{
+    int n;
+
+    printf("%d * %d = %d",n,n,n*n);
+}
diff --git a/dbrhkdan123/Hap.c b/dbrhkdan123/Hap.c
new file mode 100644
index 00000000..6fc160f8
--- /dev/null
+++ b/dbrhkdan123/Hap.c
@@ -0,0 +1,8 @@
+#include<stdio.h>
+
+int main()
+{
+    int n;
+
+    printf("%d + %d = %d",n,n,n+n);
+}
diff --git a/pull_reqeust_test/HAEYUM/Gop.c b/pull_reqeust_test/HAEYUM/Gop.c
new file mode 100644
index 00000000..ca5c7b26
--- /dev/null
+++ b/pull_reqeust_test/HAEYUM/Gop.c
@@ -0,0 +1,8 @@
+#include<stdio.h>
+
+int main()
+{
+    int n;
+
+    printf("%d * %d = %d",n,n,n*n);
+}
diff --git a/pull_reqeust_test/HAEYUM/Hap.c b/pull_reqeust_test/HAEYUM/Hap.c
new file mode 100644
index 00000000..6fc160f8
--- /dev/null
+++ b/pull_reqeust_test/HAEYUM/Hap.c
@@ -0,0 +1,8 @@
+#include<stdio.h>
+
+int main()
+{
+    int n;
+
+    printf("%d + %d = %d",n,n,n+n);
+}