data = open('input.txt')
z = data.readline()
#x = data.read()
#c = data.readlines()
print(z)
#print(x)
#print(c)


'''s = dict()
c = int()
for line in data:
    line = data.readlines().strip().split()
    print(line)
    s[line[0]] = int(line[1])
    print(s)
    #c += s.get(line[0], int(line[1]))
    #print(c)
    #s[line] = c + 1
'''