#include <stdio.h>
#include <string.h>
//01字符串，通过0/1开头来查找子串

int main(void) {
    char s[100];
    fgets(s, 100, stdin);
    for(int i=0;i<strlen(s);i++){
        if((s[i]>='a'&&s[i]<'x')||(s[i]>='A'&&s[i]<'X'))    s[i] = s[i]+3;
        else if((s[i]>='x'&&s[i]<='z')||(s[i]>='X'&&s[i]<='Z')) s[i] = s[i]+3-26;
    }
    puts(s);
    return 0;
}