#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
template <typename T> inline void read(T &F) {
    int R = 1; F = 0; char CH = getchar();
    for(; !isdigit(CH); CH = getchar()) if(CH == '-') R = -1;
    for(; isdigit(CH); CH = getchar()) F = F * 10 + CH - 48;
    F *= R;
}
inline void file(string str) {
    freopen((str + ".in").c_str(), "r", stdin);
    freopen((str + ".out").c_str(), "w", stdout);
}
LL seed = chrono :: steady_clock :: now().time_since_epoch().count();
mt19937_64 rnd(seed); LL randnum(LL l, LL r) {return rnd() % (r - l + 1) + l;}
int wrk(int x) {
    cout << "walk " << x << endl;
    int r; cin >> r; return r;
}
void output(int x) {
    cout << "guess " << x << endl;
}
int main() {
    //file("");
    int m = 0;
    for(int i = 1; i <= 3333; i++)
        m = max(m, wrk(randnum(1, 1e9)));
    map<int, int> M;
    for(int i = 1; i <= 3333; i++) {
        int x = wrk(1);
        if(M.find(x) != M.end()) {
            output(i - 1 - M[x]); return 0;
        }
        M[x] = i - 1;
    }
    int x = wrk(m), d = m + 3333 - 1;
    while(233) {
        if(M.find(x) != M.end()) {
            output(d - M[x]); return 0;
        }
        x = wrk(3333); d += 3333;
    }
    #ifdef _MagicDuck
        fprintf(stderr, "# Time: %.3lf s", (double)clock() / CLOCKS_PER_SEC);
    #endif
    return 0;
}