import os

s = """Chen Luo - chen_luo.pdf
Haneen Mohammed - Haneen_Mohammed.pdf
Hendrik Makait - Hendrik_Makait.pdf
Karima Echihabi - Karima_Echihabi.pdf
Shiva_Jahangiri.pdf
Xiaoshuang Chen - SRC U1_XChen.pdf
Xiaozhong_Zhang.pdf
Yiru_Chen.pdf
Yuliya Susanina - YULIYA_SUSANINA.pdf
Jia_Shi.pdf
justus_adam.pdf
Kongzhang Hao - SRC U1_KHao.pdf
Kunal Waghray - Kunal_Waghray.pdf
Meena_J_Poster.pdf
Neil_Band.pdf
Noah Slavitch - NOAH_SLAVITCH.pdf
Wanxin Li - Wanxin_Li.pdf
William Ma.pdf"""

for fname in s.split("\n"):
  fname = fname.strip()
  cmd = 'convert -density 300 -resize 400 -crop 400x300+0+0  "%s" "%s.png"' % (fname, fname)
  print(fname)
  os.system(cmd)