maghadir a va b mitoonan sefr bashan? yani moadele mitone daraje 3 ya 2 bashe??????

bebekhshid age javabe soal .5 beshe bayad 0.50 chap beshe ya .50??????

Each line will contain six nonnegative floating point values representing a, b, c, d, m, and t, respectively.

So we can infer they can be zero.

The output should be formatted as a decimal number with exactly two digits after the decimal point.

By 'exactly', means even if your answer is 10 you should print 10.00. So you have to print 0.50 instead of 0.5.