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
// AOJ ITP1_2_B
#include<cstdio>

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

	puts( a < b && b < c ? "Yes" : "No" );

	return 0;
}