#include <iostream>
#include <map>
using namespace std;
int main() {
 
map <char,int> mp;
string s;

cin>>s;

for(int i=0;i<s.size();i++){
s[i]=tolower(s[i]);
mp[s[i]]++;
}

int count=0;

if(mp['a']>=2)count+=2;
if(mp['t']>=1)count++;
if(mp['y']>=1)count++;
if(mp['p']>=1)count++;
if(mp['i']>=1)count++;
if(mp['c']>=1)count++;
if(mp['l']>=1)count++;

if(count==8)puts("Yes");
else puts("No");
}