1 #include <stdio.h>
2 #include <algorithm>
3 #include <iostream>
4 #include <string.h>
5 #include <string>
6 #include <math.h>
7 #include <stdlib.h>
8 #include <queue>
9 #include <stack>
10 #include <set>
11 #include <map>
12 #include <list>
13 #include <iomanip>
14 #include <vector>
15 #pragma comment(linker, "/STACK:1024000000,1024000000")
16 #pragma warning(disable:4786)
17
18 using namespace std;
19
20 const int INF = 0x3f3f3f3f;
21 const int MAX = 10000 + 10;
22 const double eps = 1e-8;
23 const double PI = acos(-1.0);
24
25 int main()
26 {
27 float a , b;
28 while(~scanf("%f %f", &a , &b))
29 {
30 if(fabs(a - b) <= eps)
31 printf("yes\n");
32 else
33 printf("no\n");
34 }
35 return 0;
36 }