Ira

#include <iostream>
#include<string>
#include<stdio.h>
#include <math.h>
using namespace std;
template <typename X>
inline X abs(const X &a) { return a < 0 ? -a : a; }

int count_words[1000];
int main()
{
    string a[1000];
    string s, t = "";
    getline(cin, s);
    char g; cin >> g;
    g = tolower(g);
    int cnt = 0;
    for (int i = 0; i < s.length(); ++i) {
        char c = s[i];
        if (isspace(c) || ispunct(c))
        {
            a[cnt++] = t;
            t = "";
        }
        else
            t += c;
    }
    for (int i = 0; i < cnt; ++i)
        if (tolower(a[i][0]) == g )
            cout << a[i] << '\n';
}