#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()\fabs() #include<ctime> #include<cstdlib> #include<cstring> using namespace std; int main(){ string a,b; getline(cin,a); getline(cin,b); for(int i=0;i<a.size();i++){ if('A'<=a[i]&&a[i]<='Z'){ a[i]=b[a[i]-'A']-32;} else if('a'<=a[i]&&a[i]<='z') a[i]=b[a[i]-'a']; } cout<<a; return 0; }