# include<iostream> using namespace std; int main(){ char s1[151],s2[151]; cin>>s1>>s2; int s1_num=0,s2_num;//存储s1的长度和s2的长度 int i=0; while(s1[i]!='\0'){ s1_num++; i++; } while(s2[i]!='\0'){ s2_num++; i++; } if(s2_num==s1_num) printf("yes"); else cout<<"no"<<endl; return 0; }