import numpy as np

N = int(input())
goods = [tuple(map(int, input().split())) for _ in range(N)]
V = int(input())

MAX = 100000
dp = np.zeros(MAX + 1, dtype=int)
ans_min = MAX + 1
ans_max = 0
for v, w in goods:
    new_dp = dp.copy()
    new_dp[w:] = np.maximum(dp[w:], dp[:-w] + v)
    dp = new_dp

    l = np.searchsorted(dp, V, side='left')
    if 0 <= l <= MAX and dp[l] == V:
        ans_min = min(ans_min, l)

    r = np.searchsorted(dp, V, side='right') - 1
    if 0 <= r <= MAX and dp[r] == V:
        ans_max = max(ans_max, r)

print(ans_min if ans_min > 0 else 1)
print(ans_max if ans_max < MAX else 'inf')