FINDING SUM AND AVERAGE OF THREE NUMBERS JAVA PROGRAM

import java.util.'*';
class sumaverage
{
public static void main (string args[])
{
int a,b,c,sum;
float avg;
scanner os= new scanner(system.in);
system.out.println("enter a,b,c values");
a=os.next int();
b=os.next int();
c=os.next int();
sum=a+b+c;
avg=sum/3;
system.out.println("a value :" +a);
system.out.println("b value :" +b);
system.out.println("c value :" +c);
system.out.println("sum of three numbers :" +sum);
system.out.println("average of three numbers :" +average);
}
}