//uva12820 #include<iostream> #include<cstdio> using namespace std; int main() { int n, s, t, i, j, k; char c; s = 1; while(scanf("%d", &n) != EOF){ getchar(); t = 0; while(n--){ int num[26] = {0}; bool ans[30] = {}; while(scanf("%c", &c) != EOF){ if(c == '\n') break; num[c - 'a']++; } for(i = 0, j =0, k = 0; i < 26; i++){ if(num[i]){ j++; if(ans[num[i]]){ k = 1; break; } ans[num[i]] = 1; } } if(k == 0 && j != 1) t++; } printf("Case %d: %d\n", s++, t); } return 0; }