⇣ copimp ⇣cop100imp00002cop500imp00010cop1000imp00020cop2000imp00040cop5000imp00101cop10000imp00202⇣ copimp ⇣cop1,00000imp02021cop5,00000imp101cop10,00000imp202cop25,00000imp505cop50,00000imp1010cop100,00000imp2021