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(){
	int i,n,c;
	scanf("%d%d%d",&i,&n,&c);
	if(i<n&&n<c){
		printf("Yes\n");
	}
	else printf("No\n");
} 
