import math
def suShu(n):
        f = True
        for i in range (2 , int(math.sqrt(n))+1):
                if n % i == 0:
                        f = False
                        break;
        return f and n != 1

for i in range (1, 100):
        for e in range (i + 1, 100):
                if suShu(i) and suShu(e) and suShu((i+e)//2) and (i + e) % 2 == 0:
                        print(i, (i+e)//2, e)

/**************************************************************
	Problem: 1144
	User: admin
	Language: Python
	Result: Accepted
	Time:50 ms
	Memory:34480 kb
****************************************************************/