#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 s1[55],s2[55]; cin<<s1; cin<<s1; int n=strlen(s1); for(int i=0;i<n;i++){ if(s1[i]==s2[i]){ cout<<"1"; } else cout<<"0"; } return 0; }