ADD file via upload

step_1.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+int main()
+{
+    printf("                              1.Input\n");
+    printf("                              2.Output\n");
+    printf("                              3.Order\n");
+    printf("                              4.Quit\n");
+    char c;
+    scanf("%c",&c);
+    if(c=='i'){printf("You are trying to Input info:");}
+    if(c=='o'){printf("You are trying to Output info");}
+    if(c=='m'){printf("You are trying to Make things ordered");}
+    if(c=='q'){printf("You are about to Quit");}
+    if(c!='i'&&c!='o'&&c!='m'&&c!='q'){printf("Wrong input");}
+    return 0;
+}