{}
// Online C compiler to run C program online
#include <stdio.h>
// Define Jack or Queen
#define USER Jack
// Define your Map\list-of-selections
// DONT USE 0, IT'S USED FOR FALSE NAMES
#define Queen_INT 1
#define Jack_INT 2
// ...
// Map USER to _INT
#define MAP_HELPER(u) u ## _INT
#define MAPED(u) MAP_HELPER(u)
// Check USER
#if MAPED(USER) == Queen_INT
#pragma message "Hey Ms.Queen!"
#elif MAPED(USER) == Jack_INT
#pragma message "Hello, Mr.Jack"
#else
#error "Who you, my dear? T_T"
#endif
int main() {
// Write C code here
printf("%d", MAPED(USER));
return 0;
}