with open("caffeine.mol","r") as molfile:
    for i in range(3):
        molfile.readline()
    line = molfile.readline()
    na = int(line[0:3])
    nb = int(line[3:6])
    #print(na) 
    #print(nb)
    for i in range(na):
        line = molfile.readline()
        print(line[:-1])