L = [0, 103, 88, 91, 99, 101, 86, 96, 100, 71, 91, 96, 91, 98, 102, 96, 85, 102, 97, 91, 112, 85, 79, 86, 91, 97, 98, 110, 80, 88, 80, 95, 83, 93, 109, 88, 91, 103, 90, 95, 113, 81, 86, 97, 93, 93] print(L[int(input())])