#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int n,m,d; cin>>m; cin>>d; char s1=m char s1=d n=strcmp(s1,s2); if(n==0){ cout<<"yes"; } else{ cout<<"no"; } return 0; }