# your code goes here
listdata=[35,48,3,4,50,43,7,19,9,23,15,13,11,37,12,18,25,16,8,20,27,22,10,24,17,38,29,46,21,30,40,32,44,33,1,36,14,26,39,31,31,42,6,31,45,28,47,2,49,5]
print(len(listdata))
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCmxpc3RkYXRhPVszNSw0OCwzLDQsNTAsNDMsNywxOSw5LDIzLDE1LDEzLDExLDM3LDEyLDE4LDI1LDE2LDgsMjAsMjcsMjIsMTAsMjQsMTcsMzgsMjksNDYsMjEsMzAsNDAsMzIsNDQsMzMsMSwzNiwxNCwyNiwzOSwzMSwzMSw0Miw2LDMxLDQ1LDI4LDQ3LDIsNDksNV0KcHJpbnQobGVuKGxpc3RkYXRhKSk=