#!/usr/bin/env ruby

# JAT: The Joy of ASCII Art
# http://codegolf.com/bob-ross-the-joy-of-ascii-art

def get_input
	while true
		line=gets
		if line==nil or line.length==0
			break
		else
			yield line.chomp
		end
	end
end

def mark(rows, x, y, c)
	space=" "

	0.upto(y-rows.length) { |i|
		rows.push([])
	}

	0.upto(x-rows[y].length) { |i|
		rows[y].push(space)
	}

	rows[y][x]=c
end

def print_pic(rows)
	rows.each { |row|
		puts row.join("")
	}
end

def main
	rows=[]

	get_input { |line|
		parts=line.split(" ")

		x, y, c=parts[0].to_i, parts[1].to_i, parts[2].to_i.chr

		mark(rows, x, y, c)
	}

	print_pic(rows)
end

if __FILE__==$0
	begin
		main
	rescue Interrupt => e:
		nil
	end
end