2732+(5000-n)=4803, 8113-(10101-r)=5207 (p+7245)-3834=6357
2732+5000-n=4803 2732+5000-4803=n 2929=n 8113-10101+r=5207 r=5207-8113+10101 r=7195 p+7245-3834=6357 p=6357+3834-7245 p=2946