How to get product of two large numbers?
It can be done easily in python by multiplying two numbers a,b=map(int,input().split()) print(a*b) you can refer link https://awsmcode.wordpress.com/2015/10/07/multiplying-large-numbers-in-cc/
You need to use languages which has data-type that supports big integers. Since Python3 doesn’t actually have any upper limit for integer. That would be the best language .
Further, Java has bigInteger class using which also you can perform arithmetics involving large value.