diff --git a/du1/output/program.exe b/du1/output/program.exe
deleted file mode 100644
index fbf2f7b..0000000
Binary files a/du1/output/program.exe and /dev/null differ
diff --git a/du1/program b/du1/program
deleted file mode 100755
index bd6c393..0000000
Binary files a/du1/program and /dev/null differ
diff --git a/du1/program.c b/du1/program.c
new file mode 100644
index 0000000..2c35062
--- /dev/null
+++ b/du1/program.c
@@ -0,0 +1,53 @@
+#include <stdio.h>
+#include <ctype.h>
+#define LINESIZE 100
+
+void deshifr (char *text) {
+   for (int i = 0; text[i] != '\0'; i++) {
+      switch (text[i]) {
+         case '0':
+         text[i] = 'o';
+         break;
+         case '1':
+         text[i] = 'i';
+         break;
+         case '2':
+         text[i] = 'z';
+         break;
+         case '3':
+         text[i] = 'e';
+         break;
+         case '4':
+         text[i] = 'a';
+         break;
+         case '5':
+         text[i] = 's';
+         break;
+         case '6':
+         text[i] = 'b';
+         break;
+         case '7':
+         text[i] = 't';
+         break;
+         case '8':
+         text[i] = 'b';
+         break;
+         case '9':
+         text[i] = 'q';
+         break;
+      }
+      text[i] = tolower(text[i]);
+   }
+}
+
+
+int main() {
+   
+
+   struct pizza {
+      float prize;
+      char name[LINESIZE];
+   };
+
+return 0;
+}
\ No newline at end of file