u0110ang ng u1ed3i ch u01a1i v u1ee3 n u1ee9ng l u1ed3n v u1ea1ch bu u1ed3i ch u1ed3ng ra ngh u1ecbch
T u1eafm c ugrave ng v u1ee3 y ecirc u
U50 m u1eebng 20 10
Si ecirc u ph u1ea9m b u1eafn tinh