a = int(input('Please enter triangle size: '))
asciiTriangle = ''
for b in range(a):
        asciiTriangle = asciiTriangle + ' '
asciiTriangle = asciiTriangle + ' /\\\n'
centerSpacing = ''

aTemp = a
for b in range(aTemp):
        for b in range(aTemp):
                asciiTriangle = asciiTriangle + ' '

        asciiTriangle = asciiTriangle + '/'
        centerSpacing = centerSpacing + '  '
        asciiTriangle = asciiTriangle + centerSpacing + '\\\n'
        aTemp = aTemp-1

asciiTriangle = asciiTriangle + '/_'
for b in range(a):
        asciiTriangle = asciiTriangle + '__'
asciiTriangle = asciiTriangle + '_\\\n'
print (asciiTriangle)