flag = ''
input = [21, 31, 18, 20, 8,58, 70, 44, 7, 27, 81, 19, 63, 87, 8,5, 63, 48, 50, 81,82, 2, 110, 120,22,124,110,97,112,72,28,59,50,42,19,69,7,42,24,12,110,65,112,4,6,110,92,66,69,112,90,2,4,14,76]
for i in range(54):input[i] ^&#61; 0xDEif i <10:input[i] ^&#61; 0xADelif i >&#61; 10 and i <20:input[i] ^&#61; 0xBEelif i >&#61; 20 and i <30:input[i] ^&#61; 0xEFelif i >&#61; 30 and i <40:input[i] ^&#61; 0xABelse:input[i] ^&#61; 0xEF
for i in range(54):flag &#43;&#61; chr(input[i])
print(flag)