diff --git a/a1/program.c b/a1/program.c
index 9efff7c..634a7e9 100644
--- a/a1/program.c
+++ b/a1/program.c
@@ -17,9 +17,9 @@ int main(){
         putchar(c - 'a' + 'A');
     }else if(c >= 'A' && c <= 'Z'){
         putchar(c - 'A' + 'a');
-    }else if(c >= 32 && c <= 126){ 
-    putchar(c);
-     }
+    }else if((c >= 32 && c <= 126) || c == '\t'){
+        putchar(c); 
+        }
     
 }
     putchar('\n');