#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <charconv>
#include <cstring>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <limits>
#include <map>
#include <optional>
#include <random>
#include <set>
#include <stdexcept>
#include <string>
#include <string_view>
#include <type_traits>
#include <unordered_map>
#include <utility>
#include <variant>
#include <vector>
#include <queue>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> ii;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<ii> vii;

#define x first
#define y second
#define pb push_back
#define eb emplace_back
#define rep(i,a,b) for(auto i=(a); i<(b); ++i)
#define REP(i,n) rep(i,0,n)
#define all(v) (v).begin(), (v).end()
#define rs resize
#define DBG(x) cerr << __LINE__ << ": " << #x << " = " << (x) << endl

const ld PI = acos(-1.0);
template<class T> using min_queue =
priority_queue<T, vector<T>, greater<T>>;
template<class T> int sz(const T &x) {
    return (int) x.size(); // copy the ampersand(&)!
}

// START OF ACTUAL PROGRAM, START READING HERE

ld t1(ll n, ll k, ld p) {
	return (n-k)*0.1 + 0.1 + p*(0.3 + n*0.1 + 0.1);
}

ld t2(ll n, ll k, ld p) {
	return 0.1 + (n-k)*0.1 + 0.1 + (1-p)*(0.3 + n*0.1 + 0.1);
}
ld t3(ll n, ll k, ld p) {
	return 0.3 + n*0.1 + 0.1;
}

void run() {
	ll n, k;
	ld p;
	cin >> n >> k >> p;
	p /= 100;
	ld s1 = t1(n,k,p), s2 = t2(n,k,p), s3 = t3(n,k,p);
	if (s1 < s2 && s1 < s3) {
		cout << "continue" << endl;
	} else if (s2 < s3) {
		cout << "backspace" << endl;
	} else {
		cout << "restart" << endl;
	}
}

signed main() {
    // DON'T MIX "scanf" and "cin"!
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout << fixed << setprecision(20);
    run();
    return 0;
}