plif plof

# Programacao 1, 2014.1 Pedro Paulo
# Plif Plof

num1 = float(raw_input())
num2 = float(raw_input())
num3 = float(raw_input())

somatorio = (num1 + num2 + num3)

if somatorio % 3 == 0 and somatorio % 5 == 0:
    print "plifplof"

elif somatorio % 3 == 0:
    print "plif"

elif somatorio % 5 == 0:
    print "plof"

else:
    print somatorio