Help with physics problem?

To strengthen his arm and chest muscles, an 85.0 athlete 2.00 tall is doing a series of push-ups as shown in the figure below . His center of m is 1.20 from the bottom of his feet, and the centers of his palms are 30.0 from the top of his head. Find the force that the floor exerts on each of his feet and on each hand, uming that both feet exert the same force and both palms do likewise.