UVa 12468 - Zapping

/* UVa 12468 - Zapping */

#include <stdio.h>

int main() {
	int a, b;
	while (scanf("%d%d", &a, &b) && (a != -1) && (b != -1)) {
		int s1 = (a - b + 100) % 100;
		int s2 = (b - a + 100) % 100;
		if (s1 < s2)
			printf("%d\n", s1);
		else
			printf("%d\n", s2);
	}
	return 0;
}