#include <stdio.h>

#define FALSE 0

#define TRUE1 !FALSE
#define TRUE2 1

int main(void) {
	
	if (5 == TRUE1) {
		printf("1a\n");
	}
	
	if (5 == TRUE2) {
		printf("2a\n");
	}
	
	if (0 == TRUE1) {
		printf("1b\n");
	}
	
	if (0 == TRUE2) {
		printf("2b\n");
	}
	
	if (1 == TRUE1) {
		printf("1c\n");
	}
	
	if (1 == TRUE2) {
		printf("2c\n");
	}
	
	// your code goes here
	return 0;
}