import sys,itertools for line in sys.stdin: a = list(map(int,line.strip().split(" "))) for e in itertools.permutations(a,4): for nam1 in ['+','-','*','/']: for nam2 in ['+','-','*','/']: for nam3 in ['+','-','*','/']: resault1 = eval(f'(({e[0]}{nam1}{e[1]}){nam2}{e[2]}){nam3}{e[3]}') if re...