n1=int(input("Enter first numbers"))
n2=int(input("Enter second numbers"))
op=input("Enter the operation +,-,*,/ : ")
if op=='+':
    print(n1+n2)
elif op=='-':
    print(n1-n2)
elif op=='*':
    print(n1*n2)
elif op=='/':
    print(n1/n2)
else:
    print("Invalid entry!!")