#include<iostream> #include<cstring> using namespace std; int main(){ char ch1[1001] ,ch2[1001]; //strlen(str);//长度 //strcat(ch1,ch2)//; //strcpy(ch1,ch2); //strcmp();//比较 cin>>ch1>>ch2; if(strcmp(ch1,ch2)){ cout<<"yes"; }else cout<<"no"; return 0; }