1:5 =0 si rest 1
2:5 =0 si rest 2
3:5 =0 si rest 3
4:5 =0 si rest 4
5:5 =1
6:5 =1 si rest 1
7:5 =1 si rest 2
8:5 =1 si rest 3
9:5 =1 si rest 4
10:5=2
51:5=10 si rest 1
52:5=10 si rest 2
53:5=10 si rest 3
suma resturilor (1+2+3+4+1+2+3+4) x5+(1+2+3)=20x5+6=106