Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

func main() {
	const S = "HEISEI"
	io := NewIo()
	defer io.Flush()
	for io.Next() == S {
		y, m, d := io.NextInt(), io.NextInt(), io.NextInt()
		if y > 31 || y == 31 && m > 4 {
			io.Println("?", y-30, m, d)
		} else {
			io.Println(S, y, m, d)
		}
	}
}

// I/O template
type Io struct {
	reader    *bufio.Reader
	writer    *bufio.Writer
	tokens    []string
	nextToken int
}

func NewIo() *Io {
	return &Io{
		reader: bufio.NewReader(os.Stdin),
		writer: bufio.NewWriter(os.Stdout),
	}
}

func (io *Io) Flush() {
	err := io.writer.Flush()
	if err != nil {
		panic(err)
	}
}

func (io *Io) NextLine() string {
	var buff []byte
	for {
		line, isPrefix, err := io.reader.ReadLine()
		if err != nil {
			panic(err)
		}
		buff = append(buff, line...)
		if !isPrefix {
			break
		}
	}
	return string(buff)
}

func (io *Io) Next() string {
	for io.nextToken >= len(io.tokens) {
		line := io.NextLine()
		io.tokens = strings.Fields(line)
		io.nextToken = 0
	}
	s := io.tokens[io.nextToken]
	io.nextToken++
	return s
}

func (io *Io) NextInt() int {
	i, err := strconv.Atoi(io.Next())
	if err != nil {
		panic(err)
	}
	return i
}

func (io *Io) NextFloat() float64 {
	i, err := strconv.ParseFloat(io.Next(), 64)
	if err != nil {
		panic(err)
	}
	return i
}

func (io *Io) Println(a ...interface{}) {
	fmt.Fprintln(io.writer, a...)
}

func (io *Io) Printf(format string, a ...interface{}) {
	fmt.Fprintf(io.writer, format, a...)
}

func (io *Io) PrintIntSlice(a []int) {
	b := []interface{}{}
	for _, x := range a {
		b = append(b, x)
	}
	io.Println(b...)
}

func (io *Io) PrintStringSlice(a []string) {
	b := []interface{}{}
	for _, x := range a {
		b = append(b, x)
	}
	io.Println(b...)
}

func Log(name string, value interface{}) {
	fmt.Fprintf(os.Stderr, "%s=%+v\n", name, value)
}

func ExampleIo() {
	io := NewIo()
	defer io.Flush()
	a := make([]int, 0, 3)
	a[0], a[1], a[2] = io.NextInt(), io.NextInt(), io.NextInt()
	io.Println(a)
	io.PrintIntSlice(a)
	Log("io", a)
}

C++: #include<bits/stdc++.h>
#define LL long long
#define REP(i, n) for(int i=0;i<(n);++i)
#define REPA(i, n) for(int i=1;i<(n);++i)
#define lp(i, n) for(int i=-;i<(n);++i)
#define PII pair<int, int>
#define PLL pair<long long, long long>
#define MOD ((int)1e9 + 7)
#define INF ((int)1e9)
#define DEKAI ((int)1e9+7)
#define ALL(x) (x).begin(), (x).end()
#define BIT(x) (1<<(x))
#define foreach(i, n) for(auto &i:(n))
using namespace std;

int main(){
    string str;
    while(cin>>str&&str!="#"){
        int y, m, d;
        cin>>y>>m>>d;
        if(y<31||y==31&&m<=4){
            cout << str << " " << y << " "<< m <<" " << d << endl;
        }else{
            cout << "? " << y-30 << " " << m << " " << d << endl;
        }
    }
    
    return 0;
}

C++: #include "bits/stdc++.h"
using namespace std;

int main() {
	string S;
	while (cin >> S) {
		if (S == "#") return 0;
		int Y, M, D;
		cin >> Y >> M >> D;
		if (Y <= 30 || (Y == 31 && M <= 4)) cout << S << ' ' << Y << ' ' << M << ' ' << D << endl;
		else cout << "? " << Y - 30 << ' ' << M << ' ' << D << endl;
	}
}

C++: #include <bits/stdc++.h>
using namespace std;

int main() {
    string g;
    int y, m, d;
    while (cin >> g) {
        if (g == "#") break;
        cin >> y >> m >> d;
        if (y < 31 || (y == 31 && m < 5)) {
            cout << g << " " << y << " " << m << " " << d << endl;
        } else {
            cout << "? " << (y-30) << " " << m << " " << d << endl;
        }
    }
    return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REP(i,b) FOR(i,0,b)
#define RFOR(i,a,b) for (int i = a-1; i >= b; i--)
#define RREP(i,a) RFOR(i,a,0)
#define REPALL(i,v) for (int i = 0; i < v.size(); i++)
#define RREPALL(i,v) for (int i = v.size()-1; i >= 0; i--)
#define SORT(v) sort(v.begin(), v.end())
#define MIN_ELEMENT(v) min_element(v.begin(), v.end())
#define MAX_ELEMENT(v) max_element(v.begin(), v.end())
#define COUNT(v,n) count(v.begin(), v.end(), n);
void YES(bool flag) {cout<<(flag ? "YES" : "NO")<<endl;}
void Yes(bool flag) {cout<<(flag ? "Yes" : "No")<<endl;}
void yes(bool flag) {cout<<(flag ? "yes" : "no")<<endl;}
typedef long long ll;
typedef unsigned long long ull;
const int INF = 1e7;
const ll MOD = 1e9 + 7;

int y, m, d;

void HtoR()
{
    if (y > 30 || (y == 30 && m >= 5)) {
        cout<<"? "<<y - 30<<" "<<m<<" "<<d<<endl;
    } else {
        cout<<"HEISEI "<<y<<" "<<m<<" "<<d<<endl;
    }
}

int main()
{
    string g;
    while (cin>>g, g != "#") {
        cin>>y>>m>>d;
        if (g == "HEISEI") HtoR();
        else exit(1);
    }
}

C++: #include<bits/stdc++.h>
#define endl '\n';
#define rep(i,n) for(int i=0; i<(n); i++)
using namespace std;
using ll = long long;
using P = pair<int,int>;
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("Ofast")
constexpr ll INF = 1e18;
constexpr int inf = 1e9;
constexpr double INFD = 1e100;
constexpr ll mod = 1000000007;
constexpr ll mod2 = 998244353;
const double PI = 3.1415926535897932384626433832795028841971;
const int dx[4] = {1, 0, -1, 0};
const int dy[4] = {0, 1, 0, -1};
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
// ios::sync_with_stdio(false);
// cin.tie(nullptr);
// ---------------------------------------------------------------------------

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    string h;
    int y,m,d;
    cin >> h >> y >> m >> d;
    while(h != "#"){
        if((y>31) or(y==31 and m>=5)){
            cout << "? " << y-30 << " " << m << " " << d << endl;
        }else{
            cout << h << " " << y << " " << m << " " << d << endl;
        }
        cin >> h >> y >> m >> d;
    }
    return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for (int i = (a); i < (b); ++i)
#define REP(i, n) FOR (i, 0, n)
#define ALL(v) (v).begin(), (v).end()
#define fi first
#define se second
template <typename A, typename B> inline bool chmax(A &a, B b) {if (a < b) {a = b; return 1;} return 0;}
template <typename A, typename B> inline bool chmin(A &a, B b) {if (a > b) {a = b; return 1;} return 0;}
typedef long long ll;
typedef pair<int, int> pii;
const ll INF = 1e9+100;
const ll INFL = 1e18+100;
const bool debug = 0;
/****************************/

int main() {
	string s;
	int y, m, d;
	while (cin >> s, s != "#") {
		cin >> y >> m >> d;
		
		if (y < 31 || y == 31 && m < 5) printf("HEISEI %d %d %d\n", y, m, d);
		else printf("? %d %d %d\n", y - 30, m, d);
	}
}

C++: #include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define all(x) (x).begin(),(x).end()
const int mod=998244353,MAX=100005,INF=1<<28;

int main(){
    
    std::ifstream in("text.txt");
    std::cin.rdbuf(in.rdbuf());
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    while(1){
        string S;
        int A,B,C;cin>>S>>A>>B>>C;
        
        if(S=="#") break;
        
        if(A==31){
            if(B<=4){
                cout<<"HEISEI "<<A<<" "<<B<<" "<<C<<endl;
            }else{
                cout<<"? "<<1<<" "<<B<<" "<<C<<endl;
            }
        }else if(A<31){
            cout<<"HEISEI "<<A<<" "<<B<<" "<<C<<endl;
        }else{
            cout<<"? "<<A-30<<" "<<B<<" "<<C<<endl;
        }
    }
}

C++: #include "bits/stdc++.h"
using namespace std;
typedef long long ll;

int main(){

    string g;
    int y, m, d;
    while(cin >> g){
        if(g=="#")break;
        cin >> y >> m >> d;
        int hoge = y * 10000 + m * 100 + d;
        if(hoge > 310430){
            cout << "?" << " " << y - 30 << " " << m << " " << d << endl;
        }
        else{
            cout << g << " " << y << " " << m << " " << d << endl;
        }
    }


    return 0;
}