фигурное катание

def list_sum(arr: list) -> float:
    if len(arr) == 1:
        return arr[0]
    else:
        return list_sum(arr[1:]) + arr[0]


def main() -> None:
    arr: list = [float(item) for item in input().split()]

    first: list = arr[0: 6]
    second: list = arr[6: 12]
    third: list = arr[12: 18]

    results = [list_sum(first), list_sum(second), list_sum(third)]
    mx, index = 0, 0
    for i in range(3):
        if results[i] >= mx:
            index = i
            mx = results[i]
    if index == 0:
        print('I')
    elif index == 1:
        print('II')
    elif index == 2:
        print('III')


if __name__ == '__main__':
    main()