# include<cstdio> # include<iomanip> # include<iostream> using namespace std; int main(){ int a1=0,a2=0; char ch1[151],ch2[151]; cin>>ch1; cin>>ch2; while(ch1[a1]!='\0'){ a1++; } while(ch2[a2]!='\0'){ a2++; } if(a1==a2){ cout<<"yes"; } else{ cout<<"no"; } return 0; }