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Can someone help me with this code.. am getting WA....

#include <iostream>
#include <cstdio>
using namespace std;

int main()
{
//freopen("input.txt", "r+", stdin);
//freopen("output.txt", "w+", stdout);

long row, column, cases=1;

while (true)
{
cin >> row >> column;
if(row==0 && column ...