stringconstuct

#include <bits/stdc++.h>
using namespace std;
int main()
{
    string str;
    getline(cin, str);
    string key[] = {"for", "if", "double", "int", "string", "else", "char", "while"};
    int length = sizeof(key)/sizeof(key[0]);
    for(int i=0; i<length; i++){

            string found = key[i];
            if(str.find(found) != string::npos) {
            cout << found << " -> yes" << endl;
        } else {
            cout << found << " -> no" << endl;
        }

    }
    return 0;
}