diff --git a/KNR C/ex1_7.c b/KNR C/ex1_7.c
new file mode 100644
index 0000000..7e56bc8
--- /dev/null
+++ b/KNR C/ex1_7.c	
@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main(){
+	
+	int a = getchar() != EOF;
+	printf("%d", a);
+
+return 0;
+}