#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(void) {
	char mdp[6] = "salut";
	char essai[26]= "";
	int i;
	do{
		essai[i] = getchar();
	}while(essai[i++] != '\n' && i<26);
	essai[5] = 0;
	if (strcmp(mdp,essai) == 0){
		printf("BONMDP\n");
	}	
	else{
		printf("PASBON\n");
	}	
	return EXIT_SUCCESS;
}