import numpy as np
INF = 10 ** 10

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

if V == 0:
    ans = 1,min(w for v,w in item) - 1
else:
    dp = np.zeros(100005,np.int64)
    dp[1:] = INF
    for v,w in item:
        dp[v:] = np.minimum(dp[v:],dp[:-v] + w)

    X = dp[V + 1:].min()
    if X == INF:
        ans = dp[V],'inf'
    else:
        ans = dp[V],X - 1
print('\n'.join(map(str,ans)))