#include <stdio.h>
int main(){
        char s[26],p[80],*t;
        scanf("%s\n%[^\n]",s,p);
        for(t=p;*t;t++) printf("%c",*t==' '?' ':*t<='Z'?s[*t-'A']-32:s[*t-'a']);
        printf("\n");
        return 0;
}