123-a/1.c

#include<stdio.h>
int main()
{
    char c;
	printf("                              1.Input\n");
	printf("                              2.Output\n");
	printf("                              3.Order\n");
	printf("                              4.Quit\n");
	c=getchar();
	switch(c)
		{
			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");break;
		}
}