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 <stdio.h>

int main(void) {

	int i;
	int a, b, c;

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

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

	return 0;
}