Khoi lenh co the phat sinh loi try: #Nhap hai so tu ban phim #Ep kieu du lieu sang so nguyen a = int(input()) b = int(input()) if a>b: print("So thu nhat lon hon so thu hai!") else: dem = 0 #Su dung vong lap for duyet cac gia tri tu a den b for i in range(a, b+1): #Kiem tra dieu kien chia het cho 5 if i % 5 == 0: #Dem cac so thoa dieu kien dem += 1 #Kiem tra vuot qua 10 so hay chua if dem > 10: print("\nIn qua 10 so roi!") #Thoat vong lap break print(i, end=" ") #Neu khong gap lenh break thi se thuc hien lenh else else: if dem == 0: print("Khong co so nao chia het cho 5") else: print("\nDa in het cac so chia het cho 5") #Khoi lenh duoc thuc thi khi loi xay ra except: print("Dinh dang dau vao khong hop le!")

1) program tong;
uses crt;
var a, b, n: integer;
begin clrscr;
write('a = '); readln(a); write('b= '); readln(b);
n:=1
while a<=b do begin n:=n*2; a:=a+n; end;
a:=a-n;
writeln('Vay tong cac so chan tu a den b la: ',a);
readln;
end.