diff --git a/.DS_Store b/.DS_Store
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diff --git a/OsipovaMD/.DS_Store b/OsipovaMD/.DS_Store
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diff --git a/OsipovaMD/428.md b/OsipovaMD/428.md
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--- /dev/null
+++ b/OsipovaMD/428.md
@@ -0,0 +1,6 @@
+{\rtf1\ansi\ansicpg1251\cocoartf2867
+\cocoatextscaling0\cocoaplatform0{\fonttbl}
+{\colortbl;\red255\green255\blue255;}
+{\*\expandedcolortbl;;}
+\paperw11900\paperh16840\margl1440\margr1440\vieww11520\viewh8400\viewkind0
+}
\ No newline at end of file