#include<bits/stdc++.h>
#define rep(i,l,r) for (int i(l), i##end(r); i <= i##end; ++i)
#define per(i,r,l) for (int i(r), i##end(l); i >= i##end; --i)
#define ll long long
#define pii pair <int, int>
#define fi first
#define se second
#define eb emplace_back
#define File(filename) freopen(filename".in", "r", stdin), freopen(filename".out", "w", stdout)
#define clr(arr) memset(arr, 0, sizeof(arr))
using namespace std;
template <typename Tx> inline void read(Tx &x) {x = 0; bool f = 0; char ch = getchar(); while (ch < '0' || ch > '9') f ^= ch == '-', ch = getchar(); while (ch <= '9' && ch >= '0') x = x * 10 + ch - '0', ch = getchar(); if (f) x = -x;}
template <typename Tx, typename ...Ty> inline void read(Tx &x, Ty &...y) {read(x); read(y...);}
template <typename Tx> inline void O_write(Tx x) {if (x > 9) O_write(x / 10); putchar('0' + x % 10);}
template <typename Tx> inline void write(Tx x, char ch = '\n') {O_write(x < 0 ? (putchar('-'), -x) : x); putchar(ch);}
template <typename T> inline void cmax(T &x, T y) {if (x < y) x = y;}
template <typename T> inline void cmin(T &x, T y) {if (x > y) x = y;}
namespace Main {

int walk(int x) {
    printf("walk %d\n", x); fflush(stdout);
    read(x); return x;
}
void answer(int x) {
    printf("guess %d\n", x); fflush(stdout);
    exit(0);
}

mt19937 mtrnd(chrono::system_clock::now().time_since_epoch().count());
const int inf = 1000000000;
int mx, A, t;

map <int, int> pos;

void skymaths() {
    mx = 1;
    rep (_, 1, 3000) {
        cmax(mx, t = walk(mtrnd() % inf + 1));
    }
    A = 3000;
    int now = 1;
    pos[t] = now;
    rep (i, 2, A) {
        int x = walk(1);
        cmax(mx, x);
        if (pos.count(x)) {
            assert(pos[x] == 1);
            answer(now);
        }
        else {
            pos[x] = ++now;
        }
    }
    // now = A
    walk(mx - now); now = mx;
    for (int x = 1; ; ++x) {
        now += A;
        t = walk(A);
        if (pos.count(t)) {
            answer(now - pos[t]);
        }
    }
}

signed main() {
    // freopen("a.in", "r", stdin);
    int T = 1;
    // read(T);
    for (int Tid = 1; Tid <= T; ++Tid) {
        skymaths();
    }
    return 0;
} } signed main() { Main::main(); return 0;}