Buggy python submission (verdict: Runtime Error):
n = int(input())
del = list(map(int, input().split()))
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += del[i] * del[k]
  i += 1
  
print(sum)



Fixed submission:
n = int(input())
deliciousness = list(map(int, input().split()))
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += deliciousness[i] * deliciousness[k]
  i += 1
  
print(sum)

Buggy python submission (verdict: Runtime Error):
n = int(input())
del = list(map(int, input().split()))
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += del[i] * del[k]
  i += 1
  
print(str(sum))



Fixed submission:
n = int(input())
deliciousness = list(map(int, input().split()))
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += deliciousness[i] * deliciousness[k]
  i += 1
  
print(sum)

Buggy python submission (verdict: Runtime Error):
del = list(map(int, input().split()))
n = len(del)
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += del[i] * del[k]
  i += 1
  
print(str(sum))



Fixed submission:
n = int(input())
deliciousness = list(map(int, input().split()))
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += deliciousness[i] * deliciousness[k]
  i += 1
  
print(sum)

Buggy python submission (verdict: Runtime Error):
del = list(map(int, input().split()))

sum = 0
i = 0


print(sum)



Fixed submission:
n = int(input())
deliciousness = list(map(int, input().split()))
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += deliciousness[i] * deliciousness[k]
  i += 1
  
print(sum)

Buggy python submission (verdict: Runtime Error):
del = list(map(int, input().split()))
n = len(del)
sum = 0
i = 0


print(sum)



Fixed submission:
n = int(input())
deliciousness = list(map(int, input().split()))
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += deliciousness[i] * deliciousness[k]
  i += 1
  
print(sum)

Buggy python submission (verdict: Runtime Error):
del = [int(d) for d in input().split()]
n = len(del)
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += del[i] * del[k]
  i += 1
  
print(sum)



Fixed submission:
n = int(input())
deliciousness = list(map(int, input().split()))
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += deliciousness[i] * deliciousness[k]
  i += 1
  
print(sum)

Buggy python submission (verdict: Runtime Error):
del = list(map(int, input().split()))
n = len(del)
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += del[i] * del[k]
  i += 1
  
print(sum)



Fixed submission:
n = int(input())
deliciousness = list(map(int, input().split()))
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += deliciousness[i] * deliciousness[k]
  i += 1
  
print(sum)

Buggy python submission (verdict: Runtime Error):
del = list(map(int, input().split()))
n = len(del)
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += del[i] * del[k]
  i += 1
  
print(str(sum))



Fixed submission:
n = int(input())
deliciousness = list(map(int, input().split()))
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += deliciousness[i] * deliciousness[k]
  i += 1
  
print(sum)

Buggy python submission (verdict: Runtime Error):
del = list(map(int, input().split()))
n = len(del)
sum = 0
i = 0

while i < n - 1:
 
  k = i
  while k < n - 1:
    k += 1
    sum += del[i] * del[k]
    
  i += 1
  
print(str(sum))



Fixed submission:
n = int(input())
deliciousness = list(map(int, input().split()))
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += deliciousness[i] * deliciousness[k]
  i += 1
  
print(sum)

Buggy python submission (verdict: Runtime Error):
del = list(map(int, input(),split()))
n = len(del)
sum = 0
i = 0

while i < n - 1:
 
  k = i
  while k < n - 1:
    k += 1
    sum += del[i] * del[k]
    
  i += 1
  
print(str(sum))



Fixed submission:
n = int(input())
deliciousness = list(map(int, input().split()))
sum = 0
i = 0

while i < n - 1:
  k = i
  while k < n - 1:
    k += 1
    sum += deliciousness[i] * deliciousness[k]
  i += 1
  
print(sum)