#include <stdio.h>

#define MAX_CHARACTERS 10

int main(int argc, char **argv)
{
	char pasword[MAX_CHARACTERS];
	int numRepetitions;
	int i;
	int repetitionsDone;

	printf("Enter the number of paswords (integer): ");
	while(numRepetitions < 1 || numRepetitions > 100){
		scanf(" %d", &numRepetitions);
		if(numRepetitions < 1 || numRepetitions > 100){
			printf("Incorrect number, try again\n");
		}
	}
	for(repetitionsDone = 0; repetitionsDone < numRepetitions; repetitionsDone++){
		printf("Enter a pasword (char sequence): ");
		for(i = 0; i < MAX_CHARACTERS; i++){
			scanf(" %c", &pasword[i]);
		}
		for(i = 0; i < MAX_CHARACTERS; i++){
			if(pasword[i] >='a' && pasword[i] <= 'z'){
				if(pasword[i] + 3 >'z'){
					pasword[i] = 'a' + (pasword[i] - 'z') -1 ;
				}
				else{
					pasword[i] = pasword[i] + 3;
				}
			}
			else{
				pasword[i] = (pasword[i]*9 + 1)%10 + '0';
			}
		}
		printf("New Password: ");
		for(i = 0; i < MAX_CHARACTERS; i++){
			printf("%c", pasword[i]);
		}
		printf("\n");
	}
	return 0;
}