Flow_17db3yp Flow_1xp9qhq y is {{y}} z is {{z}} y = y+1 z = z+1 Flow_1sb49m4 Flow_12pkbxb z == 4 z = 0 y = 0 x = 0 a = 6 Flow_17db3yp Flow_1sb49m4 Flow_12pkbxb Flow_1xp9qhq x == 4 x = x + 1 a = a + 1