<코드업> 3120 : 리모컨

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

int main() {
	int a, b;
	scanf_s("%d %d", &a, &b);
	int cnt = 0;
	while (a != b) {
		int pOm = b - a;
		int ab = abs(b - a);
		if (ab > 7) {
			if (pOm >= 0) a += 10;
			else a -= 10;
		}
		else if (2 < ab  && ab <= 7) {
			if (pOm >= 0) a += 5;
			else a -= 5;
		}
		else {
			if (pOm >= 0) a += 1;
			else a -= 1;
		}
		cnt++;
	}
	printf("%d", cnt);
}