//1432 字符串长度判断 #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(){ char a[151],b[151]; cin>>a>>b; int s1=0,s2=0; for(int i=0;a[i]!='\0';i++){ s1++; } for(int i=0;b[i]!='\0';i++){ s2++; } if(s1==s2){ cout<<"yes"; } else { cout<<"no"; } return 0; }