#include <bits/stdc++.h> #define FOR(i, x, y) for (int i = x; i < y; i++) typedef long long ll; using namespace std; pair<ll, int> a[1001]; ll ans[1001], sm = 0; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; cin >> n; FOR(i, 0, n) { ll v; cin >> v >> a[i].first; sm += v; a[i].second = i; } sort(a, a + n, greater<pair<ll, int>>()); int i = 0; for (; sm; i++) { ans[a[i].second] = min(a[i].first, sm); sm -= min(a[i].first, sm); } cout << n - i << '\n'; FOR(i, 0, n) cout << ans[i] << ' '; return 0; }