intstr = input()
intstr_s = intstr.split(" ")

A_num = int(intstr_s[0])
B_num = int(intstr_s[1])
C_num = int(intstr_s[2])

sum_num = int(A_num+B_num)
result= ""

if sum_num == C_num:
	result="Correct"
else:
	result="Incorrect"

print(result)