print("Enter 0 product to break the loop\n")
while(1):
    prod=int(input("Enter number of product"))
    wholesale=input("Enter wholesale price of item")
    if(prod==0):
        break
    elif "-" in wholesale:
         continue
    else:
        retail=wholesale*0.5*prod
        print("Retail price of your item is ",retail)
        
    

32ce6ca107ee9c452e04131737651835d7d40ae1
<mask token>

print('Enter 0 product to break the loop\n')
while 1:
    prod = int(input('Enter number of product'))
    wholesale = input('Enter wholesale price of item')
    if prod == 0:
        break
    elif '-' in wholesale:
        continue
    else:
        retail = wholesale * 0.5 * prod
        print('Retail price of your item is ', retail)

print("Enter 0 product to break the loop\n")
while(1):
    prod=int(input("Enter number of product"))
    wholesale=input("Enter wholesale price of item")
    if(prod==0):
        break
    elif "-" in wholesale:
         continue
    else:
        retail=wholesale*0.5*prod
        print("Retail price of your item is ",retail)
        
    
