#include<cstdio>
#include<iostream>
#include<cstring>
int main(){
    char stl[81];
    char aaaaaataaaaaaaaaari[3][5] = {"this","that","the"};
    int x=0;
    while(1){
        scanf("%c",&stl[x]);
        if(stl[x]==10){
            stl[x] = '\0';
            break;
        }
        x++;
    }
    while(1){
        for(int i=0;;i++){
            if(stl[i]=='\0')
                break;
            if('a'<=stl[i]&&stl[i]<='z')
                stl[i]--;
            if(stl[i]=='a'-1)
                stl[i]='z';

            //printf("%c",stl[i]);

        }//puts("");
        /*for(int i=0;;i++){
            if()
            if(stl[i]=='t'&&stl[i+1]=='h'){
                if(stl[i+2]=='e')
                    goto exit;
                else if(stl[i+2]=='i'&&stl[i+3]=='s')
                    goto exit;
                else if(stl[i+2]=='a'&&stl[i+3]=='t')
                    goto exit;
            }
        }*/
        for(int i=0;i<3;i++)if(strstr(stl,aaaaaataaaaaaaaaari[i])) goto exit;
    }
exit:
    printf("%s\n",stl);
        //a=97
    return 0;
}