#include <stdio.h>
#include <stdlib.h>

int sumAllDigits(int n) {
    return abs((n-1) % 9 + 1);
}

int main(void) {
	printf("-34: %d\n", sumAllDigits(-34));
	printf("-12: %d\n", sumAllDigits(-12));
	printf("-1: %d\n", sumAllDigits(-1));
	printf(" 0: %d\n", sumAllDigits(0));
	printf(" 1: %d\n", sumAllDigits(1));
	printf(" 12: %d\n", sumAllDigits(12));
	printf(" 34: %d\n", sumAllDigits(34));
	
	return 0;
}