Write a program which reads three integers a, b and c, and prints "Yes" if a < b < c, otherwise "No".

Constraints

* 0 ≤ a, b, c ≤ 100

Input

Three integers a, b and c separated by a single space are given in a line.

Output

Print "Yes" or "No" in a line.

Examples

Input

1 3 8


Output

Yes


Input

3 8 1


Output

No
#include <cstdio>

int main()
{
	int a, b, c;
	scanf("%d %d %d", &a, &b, &c);

	if (a < b && b < c) printf("Yes\n");
	else printf("No\n");
}