n = float(input())
if n >= 92.8:
    print('jin')
if 85.6 <= n < 92.8:
    print('yin')
if 82.1 <= n < 85.6:
    print('tong')
if n < 82.1:
    print('sorry')

/**************************************************************
	Problem: 1668
	User: admin
	Language: Python
	Result: Accepted
	Time:197 ms
	Memory:34244 kb
****************************************************************/