//Input value:Character string line break: Yes
input = gets

//Input value: Character string Line feed: None
input = gets.chomp

//Input value: Numerical line break: Yes
input = gets.to_i

//Input value: Numerical line break: None
input = gets.chomp.to_i

//Input values are stored in an array * Numerical value
input = gets.split.map(&:to_i)

//Divide and store in array
a,b,c = gets.split(" ").map &:to_i

//Store input values in order
a = readlines.map &:to_i


//Multiple lines&&Storage of multiple elements * Character string
lines = []
while line = gets
    lines << line.chomp.split(' ')
end


//Multiple lines&&Storage of multiple elements * Numerical value
lines = []
while line = gets
    lines << line.chomp.split(' ').map(&:to_i)
end

//Number of repetitions
n = 5
//Array settings
sample = []

//Stored in an array for the number of repetitions
n.times do
  sample.push(gets.chomp.split(" ").map &:to_i)
end

//Get input value
sample = readlines.map &:to_i

//Variable declaration
n = 5

//each method
sample.each do |i|
 if n < 10
    n += 1
 else
    puts "sample"
 end
end

//Absolute value acquisition
n = 5
sample = n.abs


//Singular → plural
sample = "post".pluralize
puts sample

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