#include <stdio.h>

void inputInfo() {
    printf("You are trying to Input info.\n");
   
}

void outputInfo() {
    printf("You are trying to Output info.\n");
  
}

void makeOrdered() {
    printf("You are trying to Make things ordered.\n");
    
}



//²Ëµ¥ 
int main() {
    char choice;

    printf("Main Menu:\n");
    printf("%30s 1.Input\n", "");
    printf("%30s 2.Output\n", "");
    printf("%30s 3.Order\n", "");
    printf("%30s 4.Quit\n", "");

    printf("Please enter your choice: ");
    scanf(" %c", &choice);  


//Ñ¡Ôñ 
    switch (choice) {
        case 'i':
            inputInfo();
            break;
        case 'o':
            outputInfo();
            break;
        case 'm':
            makeOrdered();
            break;
        case 'q':
            printf("You are about to Quit.\n");
            break;
        default:
            printf("Wrong input.\n");
            break;
    }

    return 0;
}