diff --git a/sub.c b/sub.c
new file mode 100644
index 0000000..17086c1
--- /dev/null
+++ b/sub.c
@@ -0,0 +1,10 @@
+#include<stdio.h>
+#include<conio.h>
+void main()
+int a=5,b=2,c;
+{
+    c=a-b;
+    printf("value of c after substraction:");
+    scanf("%d",&c);
+    getch();
+}
\ No newline at end of file