UVA - 10494 If We Were a Child Again

 1 import java.util.*;
 2 import java.math.*;
 3 public class Main {
 4         public static void main(String args[]) {
 5             Scanner cin = new Scanner(System.in);
 6             
 7             BigInteger a,b,ans;
 8             String c;
 9             b = BigInteger.valueOf(1);
10             a = BigInteger.valueOf(1);
11         //    BigInteger zero=new BigInteger("0");
12             
13             while(cin.hasNext())
14             {
15                 a=cin.nextBigInteger();
16                 c=cin.next();
17                 b=cin.nextBigInteger();
18                 if(c.equals("/"))
19                     ans = a.divide(b);
20                 else
21                     ans=a.mod(b);
22                 System.out.println(ans);
23             }
24             return ;
25     }
26     
27 }