一本通1137

#include <bits/stdc++.h>
#define rep(i,j,n) for(register int i=j;i<=n;i++)
#define Rep(i,j,n) for(register int i=j;i>=n;i--)
#define low(x) x&(-x)
using namespace std ;
typedef long long LL ;
const int inf = INT_MAX >> 1 ;
inline LL In() {
	LL res(0) , f(1) ;
	register char c ;
#define gc c = getchar()
	while(isspace(gc)) ;
	c == '-' ? f = - 1 , gc : 0 ;
	while(res = (res << 1) + (res << 3) + (c & 15) , isdigit(gc)) ;
	return res * f ;
#undef gc
}

string s ;
inline void Ot() {
	getline(cin , s) ;
	int len = s.length() ;
	rep(i,0,len-1) {
		if(islower(s[i])) {
			char temp = s[i] + 3;
			if(temp > 122) temp -= 26;
			temp -= 32;
			s[i] = temp;

		} else if(isupper(s[i])) {
			char temp = s[i] + 3 ;
			if(temp > 90) temp -= 26;
			temp += 32;
			s[i] = temp;
		}
	}
	Rep(i,len,1) putchar(s[i-1]) ;
}
signed main() {
//  freopen("test.in","r",stdin) ;
	return Ot() , 0 ;
}