#pragma GCC optimize("Ofast")
#include <stdio.h>
#include <string.h>

char S[1000001];

int main(void) {
    fgets(S, 1000001, stdin);
    int mod3 = 0;
    int flag = 0;
    int i;
    char* lst;
    for (i = 0; S[i] != '\n'; ++i) {
        if (S[i] == '0') continue;
        lst = S + i;
        if (S[i] == '3') {
            S[i] = '2';
            mod3 += 2;
            flag = 1;
            break;
        } else {
            mod3 += S[i] - '0';
        }
    }
    mod3 %= 3;
    if (flag) {
        for (i++; S[i] != '\n'; ++i) {
            S[i] = '9';
        }
        if (mod3 == 0) S[--i] = '8';
        puts(S);
        return 0;
    }
    if (*lst == '4') {
        *lst = '2';
        while (*++lst != '\n') {
            *lst = '9';
        }
        if (mod3 == 2) *--lst = '8';
        puts(S);
        return 0;
    } else {
        *lst -= 1;
        while (*++lst != '\n') {
            *lst = '9';
        }
        if (mod3 == 1) *--lst = '8';
        puts(S);
        return 0;
    }
}