import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.NoSuchElementException; public class Main{ int N,V; int[] v,w; public void solve() { N = nextInt(); v = new int[N]; w = new int[N]; for(int i = 0;i < N;i++){ v[i] = nextInt(); w[i] = nextInt(); } V = nextInt(); int[] dp = new int[N * 1000 + 1]; for(int i = 0;i < N;i++){ for(int j = N * 1000;j >= 0;j--){ if(j + w[i] <= N * 1000)dp[j+w[i]] = Math.max(dp[j+w[i]],dp[j]+v[i]); } } int lower = lowerBound(dp,V); int upper = upperBound(dp,V); out.println(lower); out.println(upper <= N * 1000 ? upper : "inf"); } public int upperBound(int[] a,int b){ int low = 1; int high = a.length; while(high - low > 1){ int mid = high+low >> 1; if(a[mid] > b){ high = mid; }else{ low = mid; } } return low; } public int lowerBound(int[] a,int b){ int low = 0; int high = a.length; while(high - low > 1){ int mid = high+low >> 1; if(a[mid] >= b){ high = mid; }else{ low = mid; } } return high; } public static void main(String[] args) { out.flush(); new Main().solve(); out.close(); } /* Input */ private static final InputStream in = System.in; private static final PrintWriter out = new PrintWriter(System.out); private final byte[] buffer = new byte[2048]; private int p = 0; private int buflen = 0; private boolean hasNextByte() { if (p < buflen) return true; p = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) return false; return true; } public boolean hasNext() { while (hasNextByte() && !isPrint(buffer[p])) { p++; } return hasNextByte(); } private boolean isPrint(int ch) { if (ch >= '!' && ch <= '~') return true; return false; } private int nextByte() { if (!hasNextByte()) return -1; return buffer[p++]; } public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = -1; while (isPrint((b = nextByte()))) { sb.appendCodePoint(b); } return sb.toString(); } public int nextInt() { return Integer.parseInt(next()); } public long nextLong() { return Long.parseLong(next()); } public double nextDouble() { return Double.parseDouble(next()); } }