#include <iostream>
#include <string>
#include <vector>
using namespace std;

int main()
{
    vector<bool> arr(100 + 1, true);
    arr[0] = false;
    arr[1] = false;
    for (int i = 2; i <= 100; i++)
    {
        if (arr[i])
        {
            for (int j = 2 * i; j <= 100; j += i)
                arr[j] = false;
        }
    }

    vector<int> nums;
    for (int i = 0; i <= 100; i++)
    {
        if (arr[i])
            nums.push_back(i);
    }

    int num = 0, p = 0;
    while (nums[num] <= 50)
    {
        cout << nums[num] << endl;
        string x;
        cin >> x;
        if (x == "yes")
        {
            p++;
            if (nums[num] * nums[num] < 50)
            {
                cout << nums[num] * nums[num] << endl;
                cin >> x;
                if (x == "yes")
                    p++;
            }
        }
        num++;
    }

    if (p > 1)
        cout << "composite" << endl;
    else
        cout << "prime" << endl;
    return 0;
}