s1,s2,s3 = 0,0,0
estimation = [None] * 18
for i in range(18):
    estimation[i] = int(input())
    if i < 6:
        s1 += estimation[i]
    elif i >= 6 and i < 12:
        s2 += estimation[i]
    else:
        s3 += estimation[i]
if s2 > s1 and s2 > s3:
    print(2)
if s3 > s1 and s3 > s2:
    print(3)
if s1 > s2 and s1 > s3:
    print(1)
if s1 == s2 and s2 == s3:
    print('  ',123)