import sys
lists = list(map(int,sys.stdin.readline().split()))
q = input()
prefix_sum = []
prefix_sum.append(lists[0])
for i in range(1,len(lists)) :
prefix_sum.append(prefix_sum[-1]+lists[i])
for i in range(q) :
l , r = map(int,sys.stdin.readline().split())
if l == 0 :
print prefix_sum[r]
else :
print prefix_sum[r] - prefix_sum[l-1]
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