#include<bits/stdc++.h>
using namespace std;
map<char,int>p;
vector<int>v;
void check(string s)
{
int i;
for(i=0;i<s.size();i++)
{
p[s[i]]+=1;
}
for(auto it=p.begin();it!=p.end();it++)
{
v.push_back(it->second);
}
}
int main()
{
int n, i, j = 1;
while(cin >> n)
{
string s;
int c = 0;
for(i=1;i<=n;i++)
{
cin >> s;
if(s.size() == 1)
continue;
check(s);
sort(v.begin(), v.end());
int f = 0;
for(int k=0;k<v.size()-1;k++)
{
if(v[k] == v[k+1])
{
f = 1;
break;
}
}
if(f == 0)
c++;
p.clear();
v.clear();
}
cout << "Case " << j++ << ": " << c << endl;
}
return 0;
}
using namespace std;
map<char,int>p;
vector<int>v;
void check(string s)
{
int i;
for(i=0;i<s.size();i++)
{
p[s[i]]+=1;
}
for(auto it=p.begin();it!=p.end();it++)
{
v.push_back(it->second);
}
}
int main()
{
int n, i, j = 1;
while(cin >> n)
{
string s;
int c = 0;
for(i=1;i<=n;i++)
{
cin >> s;
if(s.size() == 1)
continue;
check(s);
sort(v.begin(), v.end());
int f = 0;
for(int k=0;k<v.size()-1;k++)
{
if(v[k] == v[k+1])
{
f = 1;
break;
}
}
if(f == 0)
c++;
p.clear();
v.clear();
}
cout << "Case " << j++ << ": " << c << endl;
}
return 0;
}
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