n=50;
a=[488,19,20,6,7,8,9,10,11,171,172,173,174,64,64,64,64,64,64,64,64,64,64,64,64,218,219,220,221,222,223,224,225,226,101,102,103,104,105,224,225,226,227,37,38,39,40,41,42,43];