acronim

#include <iostream>
#include<string.h>
#include<cctype>
using namespace std;

int isVowel(char ch);
int isConsonant(char ch);

int main()
{
    char s[101];
    cin.getline(s, 101);
    char* pch = strtok(s, " ");
    while (pch != NULL) {
        if (pch[0] >= 65 && pch[0] <= 90) {
            cout << pch[0];
        }
       /* if (isupper(pch[0])) {
            cout << pch[0];
        }*/
        pch = strtok(NULL, " ");
    }
    return 0;
}