diff --git a/a1/program.c b/a1/program.c
index e2c68d0..9efff7c 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 >= 0 && c < 32) || c == 127){   
-        putchar(c);
-    }
+    }else if(c >= 32 && c <= 126){ 
+    putchar(c);
+     }
     
 }
     putchar('\n');