diff --git a/du1/program.c b/du1/program.c
index d325754..53933db 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -1,6 +1,16 @@
 #include <stdio.h>
-int main() {
-   // printf() displays the string inside quotation
-   printf("Hello, World!");
-     return 0;
+#include<string.h>
+#include<ctype.h>
+ 
+
+int main()
+{
+    char str[100];
+    scanf("%[^\n]s",str);
+       for(int i=0;i<strlen(str);i++){
+           str[i]=toupper(str[i]);
+    }    
+    
+	    printf("%s\n",str);
+    return 0;
 }