#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

#define REP(i,n) for(int i=0;i<n;++i)
#define SORT(name) sort(name.begin(), name.end())
#define ZERO(p) memset(p, 0, sizeof(p))
#define MINUS(p) memset(p, -1, sizeof(p))

#define MOD 1000000007
#define INF 1000000000

ll N;
int digit[10];

int main()
{
    cin >> N;
    ZERO(digit);
    // N の桁数を求める
    int d = 0;
    REP(i, 10) {
        digit[i] = N % 10;
        N /= 10;
        d++;
        if(N <= 0) { break; }
    }
    ll left = 0;
    for(int i = d; i > 0; --i) {
        if(digit[i-1] != 7) { printf("%d", digit[i-1]); }
        else {
            printf("%d", digit[i-1] - 1);
            ll tmp = 1;
            REP(j, i-1) {
                tmp *= 10;
            }
            left += tmp;
        }
    }
    printf("\n%lld\n", left);

    return 0;
}