February_Long_2022_I_CHEFBARBER.cpp

// CodeChef February Long challenge 2022 I Division 3 (Rated)
// Problem Vivision 03
// 1 * Coder in CodeChef Till 06/02/2022 
// Problem Name: Chef and the Hair Salon
// Problem Code: CHEFBARBER
// Problem Link: https://www.codechef.com/FEB221C/problems/CHEFBARBER

#include <iostream>
using namespace std;

int main() {
	// your code goes here
	int t;
	cin>>t;
	while(t--)
	{
	    int n,m;
	    cin>>n>>m;
	    if(n==0)
	    {
	        cout<<n<<endl;
	    }else
	    {
	        cout<<n*m<<endl;
	    }
	}
	return 0;
}