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 == sum(v for v,w in item):
    print(sum(w for v,w in item))
    print('inf')
    exit()
dp = np.zeros(V + 2,np.int64)
dp[1:] = INF
for v,w in item:
    dp[v:] = np.minimum(dp[v:],dp[:-v] + w)

if dp[-2] == 0:
    ans = 1,min(w for v,w in item) - 1
else:
    ans = dp[-2],dp[-1] - 1
print('\n'.join(map(str,ans)))