  We propose a circuit comprising a linear array of three small-capacitance
superconducting tunnel junctions with miniature resistors (R > R_Q = h/4e^2 =
6.5 kOhm) attached to the ends of this array. Owing to the Coulomb blockade
effect and the effect of dissipative environment on the supercurrent, this
circuit enables the gate-controlled transfer of individual Cooper pairs. The
first experiment on operating the Al-Cr Cooper pair R-pump is described.
