# import pypyjit
# pypyjit.set_param('max_unroll_recursion=-1')
from collections import *
from itertools import *
from functools import *
from heapq import *
import sys,math
input = sys.stdin.readline

A,B,C = map(int,input().split())
if A+B==C:
    print('Correct')
else:
    print('Incorrect')