popey456963

tot = 0
for i in range(int(input())):
    tot = tot + int(input())
print(tot)

popey456963

l=[]
for i in range(int(input())):l.append(input())
y = [x for i,x in enumerate(l) if x not in l[:i]]
for i in y:print(i)

popey456963

x = input().split(" ")
y = []
for i in range(int(x[0])):
    y.append(i*int(x[1]))
out = ""
for i in y:
    out = out + str(i)
    out = out + " "

print(out[:-1])

popey456963

m = input()
if "o" in m or "O" in m:
  print("true")
else:
  print("false")

popey456963

n = int(input())
a = []
for i in range(n):
    a.append(input())
b = "".join(a)
c = b.split("'")
data = ""
for key,val in enumerate(c):
    if key % 2 == 0:
        data+="".join(val.split())

popey456963

site_count = int(input())
couple_count = int(input())
names = input().split()
ids = input().split()
minerals = input().split()
data = []

for i in range(couple_count):
    data.append(input().split())

popey456963

a, b = [int(i) for i in input().split()]
n = int(input())
for i in range(n):
    x = int(input())
    print(a * x + b)

popey456963

n = int(input())
a = []
for i in range(n):
    item, distance = input().split()
    distance = float(distance)
    a.append([item, distance])
sortdata = sorted(a, key=lambda x: x[1], reverse=True)
string = ""
for i in sortdata:
    string+=str(i[0]) + " "

popey456963

import random

project_skills = input().split(" ")
worker_skills = []
n = int(input())
for i in range(n):
    worker_skills.append(input().split(" "))
top = 99999

for i in range(100):

popey456963

t,c=0,0
for i in input():
 if i=="0":c+=1
 else:c=0
 t=(c,t)[c<t]
print(t)