Does anyone know what the mixed Mixed rep and set range training method is called (lofty84)

I can't remember what it is actual called but but it's three letter I think it's based around compound exercises So Monday it's something like this Squat 5x12 Dead 4x6 Bench 4x10 Then we'd it's Squat 4x6 Dead 4x10 Bench 3 x6 Or something li..