#include<stdio.h>
void main()
{
    char j;
    scanf("%d",&j);
    while(j!='\n')
    {
        if('a'<=j&&j<='w'||'A'<=j&&j<='W')
        j=j+3;
        else if('x'<=j&&j<='z'||'X'<=j&&j<='Z')
        j=(j+3)-26;
        printf("%c\n",j);
    }

}