Add step1

step1

@@ -0,0 +1,20 @@
+#include<stdio.h>
+
+int main()
+{
+	printf("                              1.Input\n");
+	printf("                              2.Output\n");
+	printf("                              3.Order\n");
+	printf("                              4.Quit\n");
+	
+	char x;
+	scanf("%c",&x);
+	switch(x){
+		case 'i':printf("You are trying to Input info");break;
+		case 'o':printf("You are trying to Output info");break;
+		case 'm':printf("You are trying to Make things ordered");break;
+		case 'q':printf("You are about to Quit");break;
+		default:printf("Wrong input\n");break;
+	}
+	return 0;
+}