import java.io.IOException;
public class GetInput {
    public final static int LINE = 70;
    static String buf = new String();
    static int getinp(String prompt, String[] list) {
        int i = 0;
        int n_match = 0;
        int match = 0;
        String sp = null;
        while (true) {
            while (true) {
                System.out.print(prompt);
                try {
                    buf = CIOUtils.stdin.readLine() + '\n';
                }
                catch (IOException e) {
                    System.err.println("IO Exception:" + e);
                }
                break;
            }
            if (buf.charAt(0) == '?' && buf.charAt(1) == '\n') {
                System.out.print("Valid inputs are: ");
                i = 0;
                for (match = 18;list[i] != null;i++) {
                    if ((match += (n_match = list[i].length())) > LINE) {
                        System.out.print("\n\t");
                        match = n_match + 8;
                    }
                    if (list[i].length() == 0) {
                        match += 8;
                        System.out.print("<RETURN>");
                    }
                    else {
                        System.out.print(list[i]);
                    }
                    if (list[i + 1] != null) {
                        System.out.print(", ");
                    }
                    else {
                        System.out.println();
                    }
                    match += 2;
                }
                continue;
            }
            sp = "";
            buf = buf.toLowerCase();
            n_match = 0;
            for (i = n_match;list[i] != null;i++) {
                if (comp(list[i])) {
                    n_match++;
                    match = i;
                }
            }
            if (n_match == 1) {
                return match;
            }
            else if (buf.length() != 0) {
                System.out.println("Illegal response: \"" + buf + "\".  Use '?' to get list of valid answers");
            }
        }
    }
    static boolean comp(String s1) {
        return buf.length() > 0 && buf.toLowerCase().startsWith(s1.toLowerCase());
    }
}