Codeforces Beta Round #89 (Div. 2), problem: (A) String Task solution

Codeforces Beta Round #89 (Div. 2), problem: (A) String Task: http://codeforces.com/problemset/problem/118/A

Codeforces Beta Round #89 (Div. 2), problem: (A) String Task solution: http://ideone.com/JswEQz

#include <cstdio>
#include <iostream>
#include <cstring>
using namespace std;
int main() {
    char s[105];
    scanf("%s", s);
    for(int i=0; i<strlen(s); i++) {
        if(s[i]!='A' && s[i]!='O' && s[i]!='Y' && s[i]!='E' && s[i]!='U' && s[i]!='I' && s[i]!='a' && s[i]!='o' && s[i]!='y' && s[i]!='e' && s[i]!='u' && s[i]!='i') {
            if(s[i]<91) printf(".%c", s[i]+32);
            else printf(".%c", s[i]);
        }
    }
    return 0;}