#include <bits/stdc++.h>

#define pb push_back
#define mp make_pair
#define sz size
#define ll long long
#define ld long double
#define fs first
#define sc second
#define forn(i, f, t) for(int i = f; i < t; i++)
#define all(x) (x).begin(), (x).end()
#define ins insert

const int INF = 2147483647;
const int MOD = 1000000007;
const ll INF64 = 9223372036854775807;
const ld EPS = 1e-7;

using namespace std;

char res[10];

bool req(int k){
    printf("%d\n", k);
    fflush(stdout);
    scanf("%s", res);
    return (res[0] == 'y');
}


int main(){
    int fl = 0;
    vector<int> a = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 4, 9, 25, 36, 49};
    forn(i, 0, a.sz()) fl += req(a[i]);
    printf(fl > 1 ? "composite\n" : "prime\n");
    return 0;
}